The Big Bang Theory
Cast & Crew
Johnny Galecki Leonard Hofstadter
Jim Parsons Sheldon Cooper
Kaley Cuoco Penny
Simon Helberg Howard Wolowitz
Kunal Nayyar Raj Koothrappali
Mayim Bialik Amy Farrah Fowler
Melissa Rauch Bernadette Rostenkowski
Chuck Lorre Executive Producer
Bill Prady Executive Producer
Steven Molaro Executive Producer
Mark Cendrowski Director
Anthony Rich Director
Chuck Lorre Screenwriter
Bill Prady Screenwriter
Kristy Cecil Producer
⨁Full Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Friday, January 23
The Inspiration Deprivation
Season 12 • Episode 19
Wolowitz buys a scooter that looks like the one he had years ago.
Friday, January 23
The Bitcoin Entanglement
Season 11 • Episode 9
Sheldon tries to teach the guys a lesson after being cut out of a potentially valuable investment.
Friday, January 23
The Codpiece Topology
Season 2 • Episode 2
Leonard rushes into a rebound relationship with Sheldon's nemesis.
Friday, January 23
The Barbarian Sublimation
Season 2 • Episode 3
Sheldon creates a monster when he introduces Penny to online gaming.
Friday, January 23
The Griffin Equivalency
Season 2 • Episode 4
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
Friday, January 23
The Euclid Alternative
Season 2 • Episode 5
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Saturday, January 24
The Cooper-Nowitzki Theorem
Season 2 • Episode 6
Sheldon and the gang are confused when a young grad student is attracted to him.
Saturday, January 24
The Pirate Solution
Season 3 • Episode 4
Raj faces deportation if he doesn't find a job; Leonard and Penny deal with Howard as a third wheel.
Saturday, January 24
The Cushion Saturation
Season 2 • Episode 16
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Saturday, January 24
The Terminator Decoupling
Season 2 • Episode 17
Leonard, Sheldon and Wolowitz are ecstatic to learn that a sci-fi actress is aboard their train.
Saturday, January 24
The Work Song Nanocluster
Season 2 • Episode 18
Penny's home business turns into a complete nightmare when Sheldon takes over.
Saturday, January 24
The Dead Hooker Juxtaposition
Season 2 • Episode 19
Penny has a rivalry with a new neighbor who threatens her position as queen bee of the building.
Saturday, January 24
The Hofstadter Isotope
Season 2 • Episode 20
Wolowitz and Leonard decide to check out a local bar on Ladies' Night.
Saturday, January 24
The Vegas Renormalization
Season 2 • Episode 21
Koothrappali and Leonard take Wolowitz to Las Vegas; Sheldon gets locked out of his apartment.
Saturday, January 24
The Classified Materials Turbulence
Season 2 • Episode 22
Penny makes a surprising revelation about Leonard while on her date with Stuart.
Saturday, January 24
The Monopolar Expedition
Season 2 • Episode 23
Leonard and Penny re-evaluate their feelings for each other when he prepares for a three-month trip.
Saturday, January 24
The Electric Can Opener Fluctuation
Season 3 • Episode 1
A betrayal threatens the guys' relationship with Sheldon as well as Leonard's chances with Penny.
Saturday, January 24
The Jiminy Conjecture
Season 3 • Episode 2
Penny and Leonard try to recover from an awkward hookup; Howard and Sheldon make a high-stakes bet.
Saturday, January 24
The Gothowitz Deviation
Season 3 • Episode 3
Sheldon tries chocolate-based behavior modification on Penny; Howard and Raj hit a Goth nightclub.
Saturday, January 24
The Pirate Solution
Season 3 • Episode 4
Raj faces deportation if he doesn't find a job; Leonard and Penny deal with Howard as a third wheel.
Saturday, January 24
The Panty Piñata Polarization
Season 2 • Episode 7
Sheldon bans Penny from the apartment for a series of petty infractions; she vows to get revenge.
Saturday, January 24
The Lizard-Spock Expansion
Season 2 • Episode 8
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Saturday, January 24
The White Asparagus Triangulation
Season 2 • Episode 9
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Saturday, January 24
The Vartabedian Conundrum
Season 2 • Episode 10
Leonard asks Penny for advice when his new relationship starts moving too fast.
Sunday, January 25
The Killer Robot Instability
Season 2 • Episode 12
The guys lose their most important teammate in an upcoming fighting-robot competition.
Sunday, January 25
The Creepy Candy Coating Corollary
Season 3 • Episode 5
Sheldon seeks revenge on his nemesis; Wolowitz wants Penny to set him up with one of her friends.
Sunday, January 25
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Sunday, January 25
The Guitarist Amplification
Season 3 • Episode 7
Sheldon tries to make peace when Leonard and Penny get into an argument.
Sunday, January 25
The Adhesive Duck Deficiency
Season 3 • Episode 8
Penny is forced to rely on Sheldon when she is injured while Howard, Leonard and Raj are away.
Sunday, January 25
The Vengeance Formulation
Season 3 • Episode 9
After being humiliated on the radio, Sheldon vows to destroy Kripke.
Sunday, January 25
The Gorilla Experiment
Season 3 • Episode 10
Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous.
Sunday, January 25
The Maternal Congruence
Season 3 • Episode 11
Leonard is horrified when his mother (Christine Baranski) visits.
Sunday, January 25
The Psychic Vortex
Season 3 • Episode 12
Sheldon and Koothrappali attend a mixer; Leonard discovers that Penny believes in psychics.
Sunday, January 25
The Bozeman Reaction
Season 3 • Episode 13
Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
Sunday, January 25
The Einstein Approximation
Season 3 • Episode 14
Sheldon tries to figure out the answer to a physics problem by working with Penny.
Sunday, January 25
The Large Hadron Collision
Season 3 • Episode 15
Leonard must choose who to bring with him when he goes to see the Large Hadron Collider.
Sunday, January 25
The Excelsior Acquisition
Season 3 • Episode 16
Sheldon ends up in traffic court after getting a ticket because of Penny.
Sunday, January 25
The Plagiarism Schism
Season 12 • Episode 21
Kripke has proof that Dr. Pemberton plagiarized his thesis in college.
Sunday, January 25
The Maternal Conclusion
Season 12 • Episode 22
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him.
Sunday, January 25
The Change Constant
Season 12 • Episode 23
Sheldon and Amy await big news.
Sunday, January 25
The Stockholm Syndrome
Season 12 • Episode 24
Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret.
Sunday, January 25
Pilot
Season 1 • Episode 1
Leonard likes new neighbor Penny, but his roommate thinks he is chasing an impossible dream.
Sunday, January 25
The Big Bran Hypothesis
Season 1 • Episode 2
Leonard volunteers to sign for a package, hoping to make a good impression on Penny.
Sunday, January 25
The Fuzzy Boots Corollary
Season 1 • Episode 3
Unhappy that Penny is seeing someone, Leonard summons the courage to ask another woman out.
Monday, January 26
The Terminator Decoupling
Season 2 • Episode 17
Leonard, Sheldon and Wolowitz are ecstatic to learn that a sci-fi actress is aboard their train.
Monday, January 26
The Proton Displacement
Season 7 • Episode 7
When Professor Proton asks Leonard for help with an experiment, Sheldon befriends Proton's rival.
Monday, January 26
The Itchy Brain Simulation
Season 7 • Episode 8
When a mistake comes to light, Sheldon punishes Leonard; Penny decides to confront Raj's ex.
Monday, January 26
The Convention Conundrum
Season 7 • Episode 14
Unable to get Comic-Con tickets, Sheldon tries to hold his own convention.
Monday, January 26
The Locomotive Manipulation
Season 7 • Episode 15
Sheldon and Amy go on a trip to wine country with Howard and Bernadette.
Monday, January 26
The Table Polarization
Season 7 • Episode 16
When Leonard buys a dining room table, Sheldon re-evaluates the changes in his life.
Monday, January 26
The Friendship Turbulence
Season 7 • Episode 17
Bernadette tries to negotiate peace between Sheldon and Wolowitz.
Monday, January 26
The Mommy Observation
Season 7 • Episode 18
Sheldon is faced with a new reality when he visits his mom in Houston.
Monday, January 26
The Indecision Amalgamation
Season 7 • Episode 19
Raj struggles with guilt when he dates two women at once; Penny has a chance to be in a movie.
Monday, January 26
The Relationship Diremption
Season 7 • Episode 20
Sheldon has a personal crisis when he decides string theory is a waste of his time.
Monday, January 26
The Anything Can Happen Recurrence
Season 7 • Episode 21
Sheldon gives spontaneity a try; Raj asks Howard for help with preparation for a date with Emily.
Monday, January 26
The Loobenfeld Decay
Season 1 • Episode 10
Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing.
Monday, January 26
The Confidence Erosion
Season 11 • Episode 10
Sheldon and Amy try to use math to eliminate wedding planning stress.
Monday, January 26
The Jerusalem Duality
Season 1 • Episode 12
Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
Monday, January 26
The Bat Jar Conjecture
Season 1 • Episode 13
The guys kick Sheldon off the Physics Bowl team and bring his nemesis aboard.
Monday, January 26
The Nerdvana Annihilation
Season 1 • Episode 14
Penny tells the guys their obsession with comics and toys is pathetic.
Monday, January 26
The Pork Chop Indeterminacy
Season 1 • Episode 15
Leonard, Wolowitz and Koothrappali fall for Sheldon's twin sister.
Monday, January 26
The Peanut Reaction
Season 1 • Episode 16
Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party.
Monday, January 26
The Tangerine Factor
Season 1 • Episode 17
Leonard finally works up the courage to ask Penny out on a date, and both ask Sheldon for advice.
Monday, January 26
The Bad Fish Paradigm
Season 2 • Episode 1
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
Monday, January 26
The Codpiece Topology
Season 2 • Episode 2
Leonard rushes into a rebound relationship with Sheldon's nemesis.
Monday, January 26
The Vegas Renormalization
Season 2 • Episode 21
Koothrappali and Leonard take Wolowitz to Las Vegas; Sheldon gets locked out of his apartment.
Tuesday, January 27
The Classified Materials Turbulence
Season 2 • Episode 22
Penny makes a surprising revelation about Leonard while on her date with Stuart.
Tuesday, January 27
The Creepy Candy Coating Corollary
Season 3 • Episode 5
Sheldon seeks revenge on his nemesis; Wolowitz wants Penny to set him up with one of her friends.
Tuesday, January 27
The Barbarian Sublimation
Season 2 • Episode 3
Sheldon creates a monster when he introduces Penny to online gaming.
Tuesday, January 27
The Griffin Equivalency
Season 2 • Episode 4
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
Tuesday, January 27
The Euclid Alternative
Season 2 • Episode 5
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Tuesday, January 27
The Cooper-Nowitzki Theorem
Season 2 • Episode 6
Sheldon and the gang are confused when a young grad student is attracted to him.
Tuesday, January 27
The Panty Piñata Polarization
Season 2 • Episode 7
Sheldon bans Penny from the apartment for a series of petty infractions; she vows to get revenge.
Tuesday, January 27
The Lizard-Spock Expansion
Season 2 • Episode 8
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Tuesday, January 27
The White Asparagus Triangulation
Season 2 • Episode 9
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Tuesday, January 27
The Matrimonial Metric
Season 11 • Episode 12
Sheldon and Amy subject their friends to experiments; Penny reveals her feelings about Amy.
Tuesday, January 27
The Bath Item Gift Hypothesis
Season 2 • Episode 11
Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Tuesday, January 27
The Killer Robot Instability
Season 2 • Episode 12
The guys lose their most important teammate in an upcoming fighting-robot competition.
Tuesday, January 27
The Friendship Algorithm
Season 2 • Episode 13
Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
Tuesday, January 27
The Monopolar Expedition
Season 2 • Episode 23
Leonard and Penny re-evaluate their feelings for each other when he prepares for a three-month trip.
Tuesday, January 27
The Guitarist Amplification
Season 3 • Episode 7
Sheldon tries to make peace when Leonard and Penny get into an argument.
Tuesday, January 27
The Jiminy Conjecture
Season 3 • Episode 2
Penny and Leonard try to recover from an awkward hookup; Howard and Sheldon make a high-stakes bet.
Tuesday, January 27
The Gothowitz Deviation
Season 3 • Episode 3
Sheldon tries chocolate-based behavior modification on Penny; Howard and Raj hit a Goth nightclub.
Wednesday, January 28
The Pirate Solution
Season 3 • Episode 4
Raj faces deportation if he doesn't find a job; Leonard and Penny deal with Howard as a third wheel.
Wednesday, January 28
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Wednesday, January 28
The Proton Transmogrification
Season 7 • Episode 22
Professor Proton helps Sheldon deal with grief; Leonard gets into a competition with Penny.
Wednesday, January 28
The Gorilla Dissolution
Season 7 • Episode 23
A bad day compels Penny to re-evaluate her choices -- including Leonard.
Wednesday, January 28
The Status Quo Combustion
Season 7 • Episode 24
Faced with an uncertain future, Sheldon considers a major change.
Wednesday, January 28
The Locomotion Interruption
Season 8 • Episode 1
Leonard and Amy make an unexpected trip to Arizona to fetch Sheldon; Penny goes for an interview.
Wednesday, January 28
The Junior Professor Solution
Season 8 • Episode 2
Amy takes advantage of the tension between Penny and Bernadette.
Wednesday, January 28
The First Pitch Insufficiency
Season 8 • Episode 3
Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game.
Wednesday, January 28
The Hofstadter Isotope
Season 2 • Episode 20
Wolowitz and Leonard decide to check out a local bar on Ladies' Night.
Wednesday, January 28
The Solo Oscillation
Season 11 • Episode 13
Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments.
Wednesday, January 28
The Creepy Candy Coating Corollary
Season 3 • Episode 5
Sheldon seeks revenge on his nemesis; Wolowitz wants Penny to set him up with one of her friends.
Wednesday, January 28
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Wednesday, January 28
The Electric Can Opener Fluctuation
Season 3 • Episode 1
A betrayal threatens the guys' relationship with Sheldon as well as Leonard's chances with Penny.
Wednesday, January 28
The Adhesive Duck Deficiency
Season 3 • Episode 8
Penny is forced to rely on Sheldon when she is injured while Howard, Leonard and Raj are away.
Thursday, January 29
The Vengeance Formulation
Season 3 • Episode 9
After being humiliated on the radio, Sheldon vows to destroy Kripke.
Thursday, January 29
The Guitarist Amplification
Season 3 • Episode 7
Sheldon tries to make peace when Leonard and Penny get into an argument.
Thursday, January 29
The Classified Materials Turbulence
Season 2 • Episode 22
Penny makes a surprising revelation about Leonard while on her date with Stuart.
Thursday, January 29
The Monopolar Expedition
Season 2 • Episode 23
Leonard and Penny re-evaluate their feelings for each other when he prepares for a three-month trip.
Thursday, January 29
The Electric Can Opener Fluctuation
Season 3 • Episode 1
A betrayal threatens the guys' relationship with Sheldon as well as Leonard's chances with Penny.
Thursday, January 29
The Jiminy Conjecture
Season 3 • Episode 2
Penny and Leonard try to recover from an awkward hookup; Howard and Sheldon make a high-stakes bet.
Thursday, January 29
The Pirate Solution
Season 3 • Episode 4
Raj faces deportation if he doesn't find a job; Leonard and Penny deal with Howard as a third wheel.
Thursday, January 29
The Creepy Candy Coating Corollary
Season 3 • Episode 5
Sheldon seeks revenge on his nemesis; Wolowitz wants Penny to set him up with one of her friends.
Thursday, January 29
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Thursday, January 29
The Separation Triangulation
Season 11 • Episode 14
Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room.
Thursday, January 29
The Vengeance Formulation
Season 3 • Episode 9
After being humiliated on the radio, Sheldon vows to destroy Kripke.
Thursday, January 29
The Gorilla Experiment
Season 3 • Episode 10
Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous.
Thursday, January 29
The Maternal Congruence
Season 3 • Episode 11
Leonard is horrified when his mother (Christine Baranski) visits.
Thursday, January 29
The Psychic Vortex
Season 3 • Episode 12
Sheldon and Koothrappali attend a mixer; Leonard discovers that Penny believes in psychics.
Thursday, January 29
The Gorilla Experiment
Season 3 • Episode 10
Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous.
Thursday, January 29
The Psychic Vortex
Season 3 • Episode 12
Sheldon and Koothrappali attend a mixer; Leonard discovers that Penny believes in psychics.
Thursday, January 29
The Bozeman Reaction
Season 3 • Episode 13
Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
Thursday, January 29
The Einstein Approximation
Season 3 • Episode 14
Sheldon tries to figure out the answer to a physics problem by working with Penny.
Friday, January 30
The Large Hadron Collision
Season 3 • Episode 15
Leonard must choose who to bring with him when he goes to see the Large Hadron Collider.
Friday, January 30
The Adhesive Duck Deficiency
Season 3 • Episode 8
Penny is forced to rely on Sheldon when she is injured while Howard, Leonard and Raj are away.
Friday, January 30
The Hook-Up Reverberation
Season 8 • Episode 4
Raj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny.
Friday, January 30
The Focus Attenuation
Season 8 • Episode 5
During their weekend in Las Vegas, Bernadette and Amy accuse Penny of being a buzz kill.
Friday, January 30
The Expedition Approximation
Season 8 • Episode 6
Raj and Sheldon try to simulate a dark-matter research expedition; Penny and Leonard have a fight.
Friday, January 30
The Misinterpretation Agitation
Season 8 • Episode 7
The guys try to help when Penny is faced with an awkward dilemma at work.
Friday, January 30
The Prom Equivalency
Season 8 • Episode 8
Sheldon feels pressured to participate in traditions when the gang re-creates a high-school prom.
Friday, January 30
The Septum Deviation
Season 8 • Episode 9
Leonard has minor surgery on his nose, causing Sheldon to overreact.
Friday, January 30
The Champagne Reflection
Season 8 • Episode 10
Howard, Leonard and Raj look through their dead professor's research.
Friday, January 30
The Clean Room Infiltration
Season 8 • Episode 11
Leonard and Wolowitz clash over a work emergency; Sheldon resents having to celebrate the holidays.
Friday, January 30
The Pants Alternative
Season 3 • Episode 18
Sheldon's stage fright stands between him and a coveted award.
Friday, January 30
The Wheaton Recurrence
Season 3 • Episode 19
Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off.
Friday, January 30
The Novelization Correlation
Season 11 • Episode 15
Sheldon petitions Wil Wheaton to appear on his show, but Wil offers a role to Amy instead.
Friday, January 30
The Excelsior Acquisition
Season 3 • Episode 16
Sheldon ends up in traffic court after getting a ticket because of Penny.
Friday, January 30
The Precious Fragmentation
Season 3 • Episode 17
A ring from "The Lord of the Rings" at a garage sale threatens to tear the guys apart.
Friday, January 30
The Pants Alternative
Season 3 • Episode 18
Sheldon's stage fright stands between him and a coveted award.
Friday, January 30
The Wheaton Recurrence
Season 3 • Episode 19
Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off.
Saturday, January 31
The Spaghetti Catalyst
Season 3 • Episode 20
Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.
Saturday, January 31
The Vengeance Formulation
Season 3 • Episode 9
After being humiliated on the radio, Sheldon vows to destroy Kripke.
Saturday, January 31
The Precious Fragmentation
Season 3 • Episode 17
A ring from "The Lord of the Rings" at a garage sale threatens to tear the guys apart.
Saturday, January 31
The Pants Alternative
Season 3 • Episode 18
Sheldon's stage fright stands between him and a coveted award.
Saturday, January 31
The Wheaton Recurrence
Season 3 • Episode 19
Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off.
Saturday, January 31
The Spaghetti Catalyst
Season 3 • Episode 20
Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.
Saturday, January 31
The Plimpton Stimulation
Season 3 • Episode 21
Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
Saturday, January 31
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Saturday, January 31
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Saturday, January 31
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Saturday, January 31
The Cruciferous Vegetable Amplification
Season 4 • Episode 2
Sheldon realizes he will not live long enough to download his consciousness into a robot body.
Saturday, January 31
The Zazzy Substitution
Season 4 • Episode 3
When Sheldon searches for an alternative to human companionship, the guys become concerned.
Saturday, January 31
The Plimpton Stimulation
Season 3 • Episode 21
Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
Saturday, January 31
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Saturday, January 31
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Saturday, January 31
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Sunday, February 1
The Cruciferous Vegetable Amplification
Season 4 • Episode 2
Sheldon realizes he will not live long enough to download his consciousness into a robot body.
Sunday, February 1
The Hot Troll Deviation
Season 4 • Episode 4
An embarrassing secret of Wolowitz's is revealed; Raj and Sheldon get into a war at work.
Sunday, February 1
The Desperation Emanation
Season 4 • Episode 5
Leonard realizes he is the only one in his group without a girlfriend.
Sunday, February 1
The Irish Pub Formulation
Season 4 • Episode 6
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Sunday, February 1
The Apology Insufficiency
Season 4 • Episode 7
Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.
Sunday, February 1
The 21-Second Excitation
Season 4 • Episode 8
The guys camp out for a movie screening; Penny and Bernadette invite Amy to her first slumber party.
Sunday, February 1
The Boyfriend Complexity
Season 4 • Episode 9
Penny asks Leonard to lie to her father; an all-nighter at a telescope.
Sunday, February 1
The Alien Parasite Hypothesis
Season 4 • Episode 10
Koothrappali and Wolowitz try to prove who would be a better superhero.
Sunday, February 1
The Justice League Recombination
Season 4 • Episode 11
The guys try to bond with Penny's new boyfriend through a costume contest.
Sunday, February 1
The Bus Pants Utilization
Season 4 • Episode 12
Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.
Sunday, February 1
The Love Car Displacement
Season 4 • Episode 13
Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.
Sunday, February 1
The Plimpton Stimulation
Season 3 • Episode 21
Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
Sunday, February 1
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Sunday, February 1
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Sunday, February 1
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Sunday, February 1
The Cruciferous Vegetable Amplification
Season 4 • Episode 2
Sheldon realizes he will not live long enough to download his consciousness into a robot body.
Sunday, February 1
The Zazzy Substitution
Season 4 • Episode 3
When Sheldon searches for an alternative to human companionship, the guys become concerned.
Sunday, February 1
The Hot Troll Deviation
Season 4 • Episode 4
An embarrassing secret of Wolowitz's is revealed; Raj and Sheldon get into a war at work.
Sunday, February 1
The Desperation Emanation
Season 4 • Episode 5
Leonard realizes he is the only one in his group without a girlfriend.
Sunday, February 1
The Irish Pub Formulation
Season 4 • Episode 6
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Monday, February 2
The Apology Insufficiency
Season 4 • Episode 7
Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.
Monday, February 2
The Discovery Dissipation
Season 7 • Episode 10
Amy and Leonard try to help Sheldon deal with his shame; Raj stays with Bernadette and Howard.
Monday, February 2
The Hesitation Ramification
Season 7 • Episode 12
Penny asks Leonard a bold question about their relationship; Sheldon wants to learn how to be funny.
Monday, February 2
The Space Probe Disintegration
Season 8 • Episode 12
The guys agree to do something the girls like; Leonard and Sheldon butt heads.
Monday, February 2
The Anxiety Optimization
Season 8 • Episode 13
Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough.
Monday, February 2
The Troll Manifestation
Season 8 • Episode 14
Sheldon and Leonard must defend themselves from an online bully's criticism after writing a paper.
Monday, February 2
The Comic Book Store Regeneration
Season 8 • Episode 15
The gang waits for the reopening of the comic book store; Wolowitz gets some shocking news.
Monday, February 2
The Intimacy Acceleration
Season 8 • Episode 16
Penny and Sheldon design an experiment -- as a joke -- to make participants fall in love.
Monday, February 2
The Colonization Application
Season 8 • Episode 17
Amy finds out that Sheldon applied for a one-way mission to colonize Mars.
Monday, February 2
The Leftover Thermalization
Season 8 • Episode 18
A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard.
Monday, February 2
The Skywalker Incursion
Season 8 • Episode 19
While on their way to UC Berkeley, Sheldon and Leonard take a detour in hope of meeting an idol.
Monday, February 2
The Bus Pants Utilization
Season 4 • Episode 12
Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.
Monday, February 2
The Neonatal Nomenclature
Season 11 • Episode 16
When Bernadette won't go into labor, her friends try different tactics to get things started.
Monday, February 2
The Thespian Catalyst
Season 4 • Episode 14
Sheldon takes acting lessons from Penny in hope of becoming a better teacher.
Monday, February 2
The Benefactor Factor
Season 4 • Episode 15
A wealthy donor makes Leonard question what he is willing to do for science.
Monday, February 2
The Cohabitation Formulation
Season 4 • Episode 16
Wolowitz considers taking things with Bernadette to the next level.
Monday, February 2
The Toast Derivation
Season 4 • Episode 17
Sheldon is upset when he realizes Leonard is the center of their group of friends.
Monday, February 2
The Prestidigitation Approximation
Season 4 • Episode 18
Leonard must choose between Penny and his new girlfriend, Priya.
Monday, February 2
The Zarnecki Incursion
Season 4 • Episode 19
The guys try to figure out who hacked Sheldon's online-game account.
Monday, February 2
The Herb Garden Germination
Season 4 • Episode 20
Howard decides to take a big step in his relationship with Bernadette.
Monday, February 2
The Agreement Dissection
Season 4 • Episode 21
Priya dissects the roommate agreement; the ladies take Sheldon dancing.
Tuesday, February 3
The Alien Parasite Hypothesis
Season 4 • Episode 10
Koothrappali and Wolowitz try to prove who would be a better superhero.
Tuesday, February 3
The Gorilla Experiment
Season 3 • Episode 10
Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous.
Tuesday, February 3
The Wildebeest Implementation
Season 4 • Episode 22
Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.
Tuesday, February 3
The Engagement Reaction
Season 4 • Episode 23
Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.
Tuesday, February 3
The Roommate Transmogrification
Season 4 • Episode 24
Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate.
Tuesday, February 3
The Skank Reflex Analysis
Season 5 • Episode 1
Penny worries that she has ruined her relationship with her friends.
Tuesday, February 3
The Infestation Hypothesis
Season 5 • Episode 2
Amy is caught in the middle when Penny and Sheldon argue over a pre-owned chair.
Tuesday, February 3
The Pulled Groin Extrapolation
Season 5 • Episode 3
Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
Tuesday, February 3
The Wiggly Finger Catalyst
Season 5 • Episode 4
Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
Tuesday, February 3
The Athenaeum Allocation
Season 11 • Episode 17
Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy.
Tuesday, February 3
The Rhinitis Revelation
Season 5 • Episode 6
Sheldon finds himself competing with the gang for his mother's attention when she visits.
Tuesday, February 3
The Good Guy Fluctuation
Season 5 • Episode 7
An attractive comic book artist tests Leonard and Priya's relationship.
Tuesday, February 3
The Isolation Permutation
Season 5 • Episode 8
Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
Tuesday, February 3
The Ornithophobia Diffusion
Season 5 • Episode 9
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
Tuesday, February 3
The Flaming Spittoon Acquisition
Season 5 • Episode 10
Sheldon is jealous when Stuart, from the comic book store, asks Amy out on a date.
Tuesday, February 3
The Speckerman Recurrence
Season 5 • Episode 11
Leonard must face the bully who targeted him in high school; Penny confronts her past actions.
Tuesday, February 3
The Shiny Trinket Maneuver
Season 5 • Episode 12
Amy is upset with Sheldon when he isn't impressed with her recent accomplishment.
Tuesday, February 3
The Recombination Hypothesis
Season 5 • Episode 13
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
Wednesday, February 4
The Benefactor Factor
Season 4 • Episode 15
A wealthy donor makes Leonard question what he is willing to do for science.
Wednesday, February 4
The Psychic Vortex
Season 3 • Episode 12
Sheldon and Koothrappali attend a mixer; Leonard discovers that Penny believes in psychics.
Wednesday, February 4
The Fortification Implementation
Season 8 • Episode 20
Sheldon and Amy build a blanket fort; Wolowitz meets a half-brother he didn't know he had.
Wednesday, February 4
The Communication Deterioration
Season 8 • Episode 21
The guys fight over a message that could be used for alien contact.
Wednesday, February 4
The Graduation Transmission
Season 8 • Episode 22
Wolowitz questions his engineering skills; a canceled flight puts Leonard's plans in jeopardy.
Wednesday, February 4
The Maternal Combustion
Season 8 • Episode 23
When Sheldon's and Leonard's mothers finally meet, personalities collide.
Wednesday, February 4
The Commitment Determination
Season 8 • Episode 24
While facing relationship changes, Sheldon pushes Penny and Leonard to choose a wedding date.
Wednesday, February 4
The Matrimonial Momentum
Season 9 • Episode 1
Penny must decide if she can get past Leonard's bad behavior.
Wednesday, February 4
The Transporter Malfunction
Season 5 • Episode 20
After receiving new "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock.
Wednesday, February 4
The Gates Excitation
Season 11 • Episode 18
Penny gets the opportunity to host Bill Gates at work when his company wants to partner with hers.
Wednesday, February 4
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Wednesday, February 4
The Love Car Displacement
Season 4 • Episode 13
Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.
Wednesday, February 4
The Cohabitation Formulation
Season 4 • Episode 16
Wolowitz considers taking things with Bernadette to the next level.
Wednesday, February 4
The Toast Derivation
Season 4 • Episode 17
Sheldon is upset when he realizes Leonard is the center of their group of friends.
Thursday, February 5
The Prestidigitation Approximation
Season 4 • Episode 18
Leonard must choose between Penny and his new girlfriend, Priya.
Thursday, February 5
The Bozeman Reaction
Season 3 • Episode 13
Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
Thursday, February 5
The Stag Convergence
Season 5 • Episode 22
Knowledge of Howard's sexual history makes Bernadette reconsider their future together.
Thursday, February 5
The Launch Acceleration
Season 5 • Episode 23
Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard surprises Penny.
Thursday, February 5
The Countdown Reflection
Season 5 • Episode 24
The gang tries to help Wolowitz and Bernadette get married before the space launch.
Thursday, February 5
The Date Night Variable
Season 6 • Episode 1
Raj faces his loneliness; Wolowitz gets drawn into a fight between Bernadette and his mom.
Thursday, February 5
The Decoupling Fluctuation
Season 6 • Episode 2
Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard.
Thursday, February 5
The Higgs Boson Observation
Season 6 • Episode 3
Amy feels threatened by Sheldon's new assistant; space starts to wear on Wolowitz.
Thursday, February 5
The Re-Entry Minimization
Season 6 • Episode 4
Wolowitz's return from space isn't all he expected; game night becomes a gender war.
Thursday, February 5
The Tenant Disassociation
Season 11 • Episode 19
Leonard decides to run against Sheldon for president of the tenants association.
Thursday, February 5
The Extract Obliteration
Season 6 • Episode 6
A game threatens Sheldon's relationship with Stephen Hawking; Penny signs up for a college class.
Thursday, February 5
The Habitation Configuration
Season 6 • Episode 7
Sheldon is caught in the middle of Amy and Wil Wheaton's argument.
Thursday, February 5
The 43 Peculiarity
Season 6 • Episode 8
Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon.
Thursday, February 5
The Parking Spot Escalation
Season 6 • Episode 9
Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.
Thursday, February 5
The Roommate Transmogrification
Season 4 • Episode 24
Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate.
Thursday, February 5
The Skank Reflex Analysis
Season 5 • Episode 1
Penny worries that she has ruined her relationship with her friends.
Thursday, February 5
The Zarnecki Incursion
Season 4 • Episode 19
The guys try to figure out who hacked Sheldon's online-game account.
Thursday, February 5
The Herb Garden Germination
Season 4 • Episode 20
Howard decides to take a big step in his relationship with Bernadette.
Friday, February 6
The Agreement Dissection
Season 4 • Episode 21
Priya dissects the roommate agreement; the ladies take Sheldon dancing.
Friday, February 6
The Einstein Approximation
Season 3 • Episode 14
Sheldon tries to figure out the answer to a physics problem by working with Penny.
Friday, February 6
The Separation Oscillation
Season 9 • Episode 2
Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags."
Friday, February 6
The Bachelor Party Corrosion
Season 9 • Episode 3
A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills.
Friday, February 6
The 2003 Approximation
Season 9 • Episode 4
An impending change inspires Sheldon to revert to 2003, before he met Penny and Leonard.
Friday, February 6
The Perspiration Implementation
Season 9 • Episode 5
Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys.
Friday, February 6
The Helium Insufficiency
Season 9 • Episode 6
Leonard and Sheldon try to secure the helium they need during a nation-wide shortage.
Friday, February 6
The Spock Resonance
Season 9 • Episode 7
Sheldon struggles to keep his emotions in check when he is interviewed for a documentary.
Friday, February 6
The Mystery Date Observation
Season 9 • Episode 8
Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon.
Friday, February 6
The Platonic Permutation
Season 9 • Episode 9
Amy and Sheldon spend Thanksgiving at the aquarium -- as friends.
Friday, February 6
The Monster Isolation
Season 6 • Episode 17
Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.
Friday, February 6
The Contractual Obligation Implementation
Season 6 • Episode 18
Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers.
Friday, February 6
The Reclusive Potential
Season 11 • Episode 20
A brilliant but reclusive scientist invites Sheldon to his cabin in the middle of nowhere.
Friday, February 6
The Recombination Hypothesis
Season 5 • Episode 13
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
Friday, February 6
The Beta Test Initiation
Season 5 • Episode 14
Penny and Leonard experiment with their new relationship; Raj forms an unusual bond.
Friday, February 6
The Wildebeest Implementation
Season 4 • Episode 22
Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.
Friday, February 6
The Engagement Reaction
Season 4 • Episode 23
Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.
Saturday, February 7
The Infestation Hypothesis
Season 5 • Episode 2
Amy is caught in the middle when Penny and Sheldon argue over a pre-owned chair.
Saturday, February 7
The Large Hadron Collision
Season 3 • Episode 15
Leonard must choose who to bring with him when he goes to see the Large Hadron Collider.
Saturday, February 7
The Thespian Catalyst
Season 4 • Episode 14
Sheldon takes acting lessons from Penny in hope of becoming a better teacher.
Saturday, February 7
The Benefactor Factor
Season 4 • Episode 15
A wealthy donor makes Leonard question what he is willing to do for science.
Saturday, February 7
The Cohabitation Formulation
Season 4 • Episode 16
Wolowitz considers taking things with Bernadette to the next level.
Saturday, February 7
The Toast Derivation
Season 4 • Episode 17
Sheldon is upset when he realizes Leonard is the center of their group of friends.
Saturday, February 7
The Prestidigitation Approximation
Season 4 • Episode 18
Leonard must choose between Penny and his new girlfriend, Priya.
Saturday, February 7
The Zarnecki Incursion
Season 4 • Episode 19
The guys try to figure out who hacked Sheldon's online-game account.
Saturday, February 7
The Herb Garden Germination
Season 4 • Episode 20
Howard decides to take a big step in his relationship with Bernadette.
Saturday, February 7
The Agreement Dissection
Season 4 • Episode 21
Priya dissects the roommate agreement; the ladies take Sheldon dancing.
Saturday, February 7
The Wildebeest Implementation
Season 4 • Episode 22
Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.
Saturday, February 7
The Engagement Reaction
Season 4 • Episode 23
Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.
Saturday, February 7
The Friendship Contraction
Season 5 • Episode 15
Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose a nickname.
Saturday, February 7
The Launch Acceleration
Season 5 • Episode 23
Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard surprises Penny.
Saturday, February 7
The Pulled Groin Extrapolation
Season 5 • Episode 3
Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
Saturday, February 7
The Wiggly Finger Catalyst
Season 5 • Episode 4
Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
Sunday, February 8
The Russian Rocket Reaction
Season 5 • Episode 5
Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.
Sunday, February 8
The Roommate Transmogrification
Season 4 • Episode 24
Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate.
Sunday, February 8
The Skank Reflex Analysis
Season 5 • Episode 1
Penny worries that she has ruined her relationship with her friends.
Sunday, February 8
The Infestation Hypothesis
Season 5 • Episode 2
Amy is caught in the middle when Penny and Sheldon argue over a pre-owned chair.
Sunday, February 8
The Pulled Groin Extrapolation
Season 5 • Episode 3
Bernadette, Howard and Mrs. Wolowitz spend the weekend together.
Sunday, February 8
The Wiggly Finger Catalyst
Season 5 • Episode 4
Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.
Sunday, February 8
The Russian Rocket Reaction
Season 5 • Episode 5
Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.
Sunday, February 8
The Rhinitis Revelation
Season 5 • Episode 6
Sheldon finds himself competing with the gang for his mother's attention when she visits.
Sunday, February 8
The Good Guy Fluctuation
Season 5 • Episode 7
An attractive comic book artist tests Leonard and Priya's relationship.
Sunday, February 8
The Isolation Permutation
Season 5 • Episode 8
Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
Sunday, February 8
The Ornithophobia Diffusion
Season 5 • Episode 9
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
Sunday, February 8
The Date Night Variable
Season 6 • Episode 1
Raj faces his loneliness; Wolowitz gets drawn into a fight between Bernadette and his mom.
Sunday, February 8
The Decoupling Fluctuation
Season 6 • Episode 2
Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard.
Sunday, February 8
The Rhinitis Revelation
Season 5 • Episode 6
Sheldon finds himself competing with the gang for his mother's attention when she visits.
Sunday, February 8
The Isolation Permutation
Season 5 • Episode 8
Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
Monday, February 9
The Ornithophobia Diffusion
Season 5 • Episode 9
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
Monday, February 9
The Occupation Recalibration
Season 7 • Episode 13
Sheldon must learn how to relax when he is forced to take a vacation.
Monday, February 9
The Convention Conundrum
Season 7 • Episode 14
Unable to get Comic-Con tickets, Sheldon tries to hold his own convention.
Monday, February 9
The Earworm Reverberation
Season 9 • Episode 10
Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner.
Monday, February 9
The Opening Night Excitation
Season 9 • Episode 11
After dating for more than five years, Amy and Sheldon spend the night together for the first time.
Monday, February 9
The Sales Call Sublimination
Season 9 • Episode 12
Leonard meets with a psychiatrist; Wolowitz and Bernadette struggle when Stuart moves out.
Monday, February 9
The Empathy Optimization
Season 9 • Episode 13
Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.
Monday, February 9
The Meemaw Materialization
Season 9 • Episode 14
Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy.
Monday, February 9
The Valentino Submergence
Season 9 • Episode 15
Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Raj is torn between two women.
Monday, February 9
The Positive Negative Reaction
Season 9 • Episode 16
The gang celebrates news of Bernadette's pregnancy by singing karaoke.
Monday, February 9
The Celebration Experimentation
Season 9 • Episode 17
For the first time in nine years, the gang celebrates Sheldon's birthday.
Monday, February 9
The Deception Verification
Season 7 • Episode 2
Leonard and Sheldon's friendship is tested; Wolowitz's masculinity is threatened.
Monday, February 9
The Comet Polarization
Season 11 • Episode 21
Friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
Monday, February 9
The Raiders Minimization
Season 7 • Episode 4
Sheldon wants revenge after Amy ruins one of his favorite films.
Monday, February 9
The Workplace Proximity
Season 7 • Episode 5
Sheldon and Amy's relationship is tested when she takes a job at his university.
Monday, February 9
The Romance Resonance
Season 7 • Episode 6
Sheldon's latest scientific breakthrough leaves him feeling like a fraud.
Monday, February 9
The Proton Displacement
Season 7 • Episode 7
When Professor Proton asks Leonard for help with an experiment, Sheldon befriends Proton's rival.
Monday, February 9
The Itchy Brain Simulation
Season 7 • Episode 8
When a mistake comes to light, Sheldon punishes Leonard; Penny decides to confront Raj's ex.
Monday, February 9
The Thanksgiving Decoupling
Season 7 • Episode 9
When the gang decides to spend Thanksgiving at Mrs. Wolowitz's house, Sheldon protests.
Monday, February 9
The Discovery Dissipation
Season 7 • Episode 10
Amy and Leonard try to help Sheldon deal with his shame; Raj stays with Bernadette and Howard.
Monday, February 9
The Cooper Extraction
Season 7 • Episode 11
While Sheldon is in Texas, the rest of the gang realize how much he has changed their lives.
Tuesday, February 10
The Recombination Hypothesis
Season 5 • Episode 13
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
Tuesday, February 10
The Excelsior Acquisition
Season 3 • Episode 16
Sheldon ends up in traffic court after getting a ticket because of Penny.
Tuesday, February 10
The Hesitation Ramification
Season 7 • Episode 12
Penny asks Leonard a bold question about their relationship; Sheldon wants to learn how to be funny.
Tuesday, February 10
The Occupation Recalibration
Season 7 • Episode 13
Sheldon must learn how to relax when he is forced to take a vacation.
Tuesday, February 10
The Convention Conundrum
Season 7 • Episode 14
Unable to get Comic-Con tickets, Sheldon tries to hold his own convention.
Tuesday, February 10
The Locomotive Manipulation
Season 7 • Episode 15
Sheldon and Amy go on a trip to wine country with Howard and Bernadette.
Tuesday, February 10
The Table Polarization
Season 7 • Episode 16
When Leonard buys a dining room table, Sheldon re-evaluates the changes in his life.
Tuesday, February 10
The Friendship Turbulence
Season 7 • Episode 17
Bernadette tries to negotiate peace between Sheldon and Wolowitz.
News aboutThe Big Bang Theory
‘Big Bang Theory’s Kunal Nayyar Reveals He Secretly Pays Strangers’ Medical Bills
TBS & TNT Holiday Schedule 2025: ‘Elf,’ ‘A Christmas Story,’ ‘The Big Bang Theory’ Marathons & More
‘Big Bang Theory’ Star Johnny Galecki Gives Rare Glimpse of His 2 Kids on Family Trip
Kunal Nayyar Says His ‘The Big Bang Theory’ Character ‘Ruined’ This 1 Thing for Him
‘The Big Bang Theory’ Spinoff: Chuck Lorre Teases if OG Characters Will Appear in Show
‘The Big Bang Theory’ Spinoff ‘Stuart Fails to Save the Universe’ Greenlit at HBO Max: Everything You Need to Know
Was Mayim Bialik Asked to Join ‘Big Bang Theory’ Spinoff? She Reveals If She’d Star
Preview
‘Night Court’: Melissa Rauch Teases ‘Big Bang’ Reunion With Mayim Bialik
Grinch Alert! 11 TV Characters Who Hate Christmas
‘Big Bang Theory’ Reunion! Kaley Cuoco Joins Jim Parsons to Support His Broadway Run
Kaley Cuoco Says She’d ‘Absolutely’ Play ‘Big Bang Theory’s Penny Again
13 Most Successful Spinoffs, Ranked
Jim Parsons Talks ‘Big Bang Theory’ Sequel & ‘Young Sheldon’ Finale
Jim Parsons Talks ‘Weird’ but ‘Beautiful’ Return to ‘Big Bang Theory’ Role for ‘Young Sheldon’ Finale
‘Young Sheldon’: Jim Parsons & Mayim Bialik Reprising ‘Big Bang Theory’ Roles in Series Finale
15 Best Chuck Lorre TV Shows, Ranked
Could Missy Appear in Potential ‘Young Sheldon’ Georgie & Mandy Spinoff?
‘Night Court’ to Host ‘Big Bang Theory’ Reunion With Kunal Nayyar Guest Role
‘Big Bang Theory’ Actress Kate Micucci Reveals Shocking Lung Cancer Diagnosis
9 TV Episodes That Pay Homage to ‘It’s a Wonderful Life’ & Where to Watch Them
Holiday Gift Ideas for the TV & Movie Lover in Your Life – Buy Them Now
Hanks-giving, ‘NCIS,’ ‘Friends,’ ‘Harry Potter’ & More Thanksgiving 2023 TV Marathons
‘Young Sheldon’ to End With Season 7
TBS & TNT Holiday Schedule 2023: ‘A Christmas Story,’ ‘Elf,’ ‘Friends’ Episodes & More
Mayim Bialik Talks ‘Big Bang Theory’ Spinoff & Gives ‘Blossom’ Reboot Update
New ‘The Big Bang Theory’ Spinoff From Chuck Lorre in the Works at Max
Q&A
‘The Big Bang Theory’ Tell-All: Author Jessica Radloff Talks the Book’s Juiciest Bits
10 Nerdiest Cameos From ‘The Big Bang Theory,’ Now 15
Which TV Shows Have Made CBS the Most-Watched Network 14 Years Running?
‘Young Sheldon’: Simon Helberg Reprises His ‘Big Bang Theory’ Role as Howard (VIDEO)
Ask Matt: Mayim Bialik’s Staying Power on ‘Jeopardy!’
Sarah Michelle Gellar Looks Back on ‘All My Children,’ ‘Buffy’s Legacy and More
How Well Do You Remember the 2011 Emmy Winners?
Ask Matt: The Ups and Downs of Season-Ending Cliffhangers
Why You Should Rewatch ‘The Big Bang Theory’s Series Premiere
‘The Big Bang Theory’: Catch Up With the Cast & Their Latest Roles
No Turkeys Here! Check out the Top Thanksgiving TV Episodes of All Time
Spoiler Alert
‘Young Sheldon’: How ‘Big Bang Theory’s [Spoiler] Ended Up in Season 4 Premiere
Guinness World Records Reveals the Most In-Demand TV Shows
Jim Parsons Reveals Why He Was Ready to Say Goodbye to ‘Big Bang Theory’
Kaley Cuoco on Why ‘Flight Attendant’ Was the Perfect ‘Big Bang Theory’ Follow-Up
‘Westworld,’ ‘Friends’ & 9 More of TV’s Best Title Sequences (VIDEO)
Exclusive
Looking Back at ‘The Big Bang Theory’ Series Finale One Year Later (PHOTOS)
Preview
All About HBO Max: How to Get It, What’s Included.. And That ‘Friends’ Reunion
7 Shows That Should Have Virtual Reunion Episodes Like ‘Parks and Rec’
‘Office,’ ‘Queer Eye’ & ‘black-ish’ Stars Exchange Words in Scrabble GO Battle Royale
Exclusive
‘Young Sheldon’ Makes Major Connection to the ‘Big Bang Theory’ World (VIDEO)
Best of 2019: 5 Series Finales That Did It Right (PHOTOS)
Viewer Data Reveals If & When 14 TV Shows Jumped the Shark (PHOTOS)
Exclusive
‘The Big Bang Theory’ Looks Back on Why Jim Parsons Was Perfect as Sheldon (VIDEO)
Preview
Director Mark Cendrowski on Straddling the ‘Big Bang Theory’ & ‘Young Sheldon’ Worlds
‘The Big Bang Theory’ to Stream on HBO Max in Multi-Billion Dollar Deal
‘Game of Thrones,’ ‘The Big Bang Theory’ & More Series Finales From 2019 Ranked (PHOTOS)
Q&A
‘Big Bang Theory’ Director Mark Cendrowski Reflects on the Series Finale & Emmy Nominations
Fox at TCA: Emmys to Go Host-less, ‘Animation Domination’ Guest Voices Galore
Primetime Emmys 2019: Matt Roush’s Predictions & Wish List of Nominees
The 12 Highest-Rated Episodes of 2018-2019 (PHOTOS)
Ask Matt: ABC’s Norman Lear Tribute, Sitcom Life After Finales, ‘Mom,’ an ‘FBI’ Departure, and More
The Biggest Stars on TV #10: Regina King
Ask Matt: ‘Big Bang’ and ‘Thrones’ Finales, High Road for ‘Arrow,’ Drowning Sorrows Over ‘Whiskey’
Spoiler Alert
‘Big Bang Theory’ Bosses on That Jaw-Dropping Series Finale Guest Star and More
Finale
In Their Own Words: The ‘Big Bang Theory’ Cast on the Emotional Ending
Worth Watching: ‘Big Bang’ Grand Finale and Significant Others (‘Sheldon,’ ‘Better Things,’ ‘Grey’s’)
Q&A
5 Questions With ‘The Big Bang Theory’ Star Melissa Rauch
‘Big Bang Theory’: First Look at the Emotional Two-Part Series Finale (PHOTOS)
Watchlist Easy access to only the shows you care about — all in one simple place
Alerts Only important notifications — when a show is returning, when it becomes available to stream, and more.
Special Offers Exclusive products we release related to your favorite shows and streaming services