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.
Monday, February 16
The Viewing Party Combustion
Season 9 • Episode 21
The gang must choose sides when an argument between Sheldon and Leonard turns into a heated debate.
Monday, February 16
The Wedding Gift Wormhole
Season 12 • Episode 2
Sheldon and Amy go crazy trying to figure out what Leonard and Penny gave them for their wedding.
Monday, February 16
The Line Substitution Solution
Season 9 • Episode 23
Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy.
Monday, February 16
The Convergence Convergence
Season 9 • Episode 24
Leonard's recently divorced parents and Sheldon's devoutly religious mother visit.
Monday, February 16
The Conjugal Conjecture
Season 10 • Episode 1
The group deals with the aftermath of Sheldon's mother and Leonard's father's evening together.
Monday, February 16
The Military Miniaturization
Season 10 • Episode 2
Wolowitz has a meeting with Colonel Williams, a representative from the Air Force.
Monday, February 16
The Dependence Transcendence
Season 10 • Episode 3
Sheldon tries an energy drink as the gang races to finish its government project on time.
Monday, February 16
The Pancake Batter Anomaly
Season 1 • Episode 11
Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.
Monday, February 16
The Cohabitation Experimentation
Season 10 • Episode 4
After her apartment floods, Amy suggests that she and Sheldon move in together.
Monday, February 16
The Nerdvana Annihilation
Season 1 • Episode 14
Penny tells the guys their obsession with comics and toys is pathetic.
Monday, February 16
The Hot Tub Contamination
Season 10 • Episode 5
Things do not run smoothly when Amy moves in with Sheldon, and Leonard and Penny have to intervene.
Monday, February 16
The Barbarian Sublimation
Season 2 • Episode 3
Sheldon creates a monster when he introduces Penny to online gaming.
Monday, February 16
The Fetal Kick Catalyst
Season 10 • Episode 6
At a Comic Con event, Penny learns there are fans of her performance in "Serial Ape-ist."
Monday, February 16
The Euclid Alternative
Season 2 • Episode 5
Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
Tuesday, February 17
The Bath Item Gift Hypothesis
Season 2 • Episode 11
Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Tuesday, February 17
The Plimpton Stimulation
Season 3 • Episode 21
Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.
Tuesday, February 17
The Veracity Elasticity
Season 10 • Episode 7
Amy lies about repairs being made to her apartment so she can continue living with Sheldon.
Tuesday, February 17
The Brain Bowl Incubation
Season 10 • Episode 8
After a successful gene experiment, Sheldon is determined to convince Amy they should procreate.
Tuesday, February 17
The Geology Elevation
Season 10 • Episode 9
Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old invention.
Tuesday, February 17
The Property Division Collision
Season 10 • Episode 10
Sheldon and Leonard divvy up their shared belongings.
Tuesday, February 17
The Birthday Synchronicity
Season 10 • Episode 11
Bernadette and Howard welcome their baby; Amy celebrates her birthday with Sheldon.
Tuesday, February 17
The Holiday Summation
Season 10 • Episode 12
Sheldon and Amy visit Penny and Leonard and tell them about their terrible trip to Texas.
Tuesday, February 17
The Romance Recalibration
Season 10 • Episode 13
Penny and Amy go on a spa weekend; Wolowitz and Koothrappali try to fix a squeaky floorboard.
Tuesday, February 17
The Procreation Calculation
Season 12 • Episode 3
Stuart starts bringing his new girlfriend home; Koothrappali explores an arranged marriage.
Tuesday, February 17
The Locomotion Reverberation
Season 10 • Episode 15
Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system.
Tuesday, February 17
The Allowance Evaporation
Season 10 • Episode 16
Sheldon and Amy have a fight; Koothrappali stops receiving financial support from his father.
Tuesday, February 17
The Comic-Con Conundrum
Season 10 • Episode 17
Koothrappali asks Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.
Tuesday, February 17
The Escape Hatch Identification
Season 10 • Episode 18
Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.
Tuesday, February 17
The Collaboration Fluctuation
Season 10 • Episode 19
Leonard, Penny and Raj adjust to their new arrangement; Sheldon expresses interest in Amy's work.
Tuesday, February 17
The Friendship Algorithm
Season 2 • Episode 13
Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
Tuesday, February 17
The Recollection Dissipation
Season 10 • Episode 20
Sheldon collaborates on too many projects; Bernadette nears the end of her maternity leave.
Tuesday, February 17
The Terminator Decoupling
Season 2 • Episode 17
Leonard, Sheldon and Wolowitz are ecstatic to learn that a sci-fi actress is aboard their train.
Tuesday, February 17
The Separation Agitation
Season 10 • Episode 21
Howard and Bernadette struggle to leave Halley in day care; Bert introduces his new girlfriend.
Tuesday, February 17
The Work Song Nanocluster
Season 2 • Episode 18
Penny's home business turns into a complete nightmare when Sheldon takes over.
Tuesday, February 17
The Cognition Regeneration
Season 10 • Episode 22
Leonard has concerns when Penny considers accepting a job offer from Zack, her ex-boyfriend.
Tuesday, February 17
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.
Wednesday, February 18
The Gothowitz Deviation
Season 3 • Episode 3
Sheldon tries chocolate-based behavior modification on Penny; Howard and Raj hit a Goth nightclub.
Wednesday, February 18
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Wednesday, February 18
The Recollection Dissipation
Season 10 • Episode 20
Sheldon collaborates on too many projects; Bernadette nears the end of her maternity leave.
Wednesday, February 18
The Separation Agitation
Season 10 • Episode 21
Howard and Bernadette struggle to leave Halley in day care; Bert introduces his new girlfriend.
Wednesday, February 18
The Cognition Regeneration
Season 10 • Episode 22
Leonard has concerns when Penny considers accepting a job offer from Zack, her ex-boyfriend.
Wednesday, February 18
The Gyroscopic Collapse
Season 10 • Episode 23
Leonard, Sheldon and Wolowitz get an unwelcome surprise after completing the Air Force project.
Wednesday, February 18
The Long Distance Dissonance
Season 10 • Episode 24
Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.
Wednesday, February 18
The Proposal Proposal
Season 11 • Episode 1
Amy answers Sheldon's marriage proposal; Howard and Bernadette struggle with unexpected news.
Wednesday, February 18
The Retraction Reaction
Season 11 • Episode 2
Leonard's job is at stake after he gives an embarrassing radio interview; Amy and Bernadette bond.
Wednesday, February 18
The Relaxation Integration
Season 11 • Episode 3
As Sheldon stresses about picking a wedding date, Amy tells him he can be more easygoing.
Wednesday, February 18
The Explosion Implosion
Season 11 • Episode 4
Wolowitz and Sheldon bond over having disappointing fathers; Leonard's mother befriends Penny.
Wednesday, February 18
The Collaboration Contamination
Season 11 • Episode 5
Penny and Leonard learn a secret from an unlikely source about dealing with Sheldon.
Wednesday, February 18
The Collaboration Contamination
Season 11 • Episode 5
Penny and Leonard learn a secret from an unlikely source about dealing with Sheldon.
Wednesday, February 18
The Tam Turbulence
Season 12 • Episode 4
Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend.
Wednesday, February 18
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Wednesday, February 18
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.
Wednesday, February 18
The Maternal Congruence
Season 3 • Episode 11
Leonard is horrified when his mother (Christine Baranski) visits.
Wednesday, February 18
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.
Thursday, February 19
The Excelsior Acquisition
Season 3 • Episode 16
Sheldon ends up in traffic court after getting a ticket because of Penny.
Thursday, February 19
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Thursday, February 19
The Geology Methodology
Season 11 • Episode 7
Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali.
Thursday, February 19
The Tesla Recoil
Season 11 • Episode 8
Leonard and Wolowitz are furious to learn Sheldon worked with the military behind their backs.
Thursday, February 19
The Bitcoin Entanglement
Season 11 • Episode 9
Sheldon tries to teach the guys a lesson after being cut out of a potentially valuable investment.
Thursday, February 19
The Confidence Erosion
Season 11 • Episode 10
Sheldon and Amy try to use math to eliminate wedding planning stress.
Thursday, February 19
The Celebration Reverberation
Season 11 • Episode 11
Sheldon plans a dinner for Amy's birthday; Leonard receives a Christmas letter from his brother.
Thursday, February 19
The Matrimonial Metric
Season 11 • Episode 12
Sheldon and Amy subject their friends to experiments; Penny reveals her feelings about Amy.
Thursday, February 19
The Solo Oscillation
Season 11 • Episode 13
Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments.
Thursday, February 19
The Planetarium Collision
Season 12 • Episode 5
When Amy doesn't have time to work on super-asymmetry, Sheldon schemes to ensure she's available.
Thursday, February 19
The Novelization Correlation
Season 11 • Episode 15
Sheldon petitions Wil Wheaton to appear on his show, but Wil offers a role to Amy instead.
Thursday, February 19
The Neonatal Nomenclature
Season 11 • Episode 16
When Bernadette won't go into labor, her friends try different tactics to get things started.
Thursday, February 19
The Athenaeum Allocation
Season 11 • Episode 17
Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy.
Thursday, February 19
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.
Thursday, February 19
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.
Thursday, February 19
The Pants Alternative
Season 3 • Episode 18
Sheldon's stage fright stands between him and a coveted award.
Thursday, February 19
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Thursday, February 19
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Friday, February 20
The Zazzy Substitution
Season 4 • Episode 3
When Sheldon searches for an alternative to human companionship, the guys become concerned.
Friday, February 20
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Friday, February 20
The Comet Polarization
Season 11 • Episode 21
Friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
Friday, February 20
The Monetary Insufficiency
Season 11 • Episode 22
Sheldon tries to win money for science; Penny and Bernadette take Amy wedding dress shopping.
Friday, February 20
The Sibling Realignment
Season 11 • Episode 23
Sheldon's mother won't attend his wedding unless he invites his brother.
Friday, February 20
The Bow Tie Asymmetry
Season 11 • Episode 24
Amy's parents and Sheldon's family arrive; nearly everybody is focused on the wedding plans.
Friday, February 20
The Conjugal Configuration
Season 12 • Episode 1
Penny and Leonard discover they are uncomfortably similar to Amy's parents.
Friday, February 20
The Wedding Gift Wormhole
Season 12 • Episode 2
Sheldon and Amy go crazy trying to figure out what Leonard and Penny gave them for their wedding.
Friday, February 20
The Procreation Calculation
Season 12 • Episode 3
Stuart starts bringing his new girlfriend home; Koothrappali explores an arranged marriage.
Friday, February 20
The Grant Allocation Derivation
Season 12 • Episode 7
Leonard struggles when he's given the responsibility of distributing extra grant money.
Friday, February 20
The Justice League Recombination
Season 4 • Episode 11
The guys try to bond with Penny's new boyfriend through a costume contest.
Friday, February 20
The Love Car Displacement
Season 4 • Episode 13
Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.
Friday, February 20
The Thespian Catalyst
Season 4 • Episode 14
Sheldon takes acting lessons from Penny in hope of becoming a better teacher.
Friday, February 20
The Herb Garden Germination
Season 4 • Episode 20
Howard decides to take a big step in his relationship with Bernadette.
Saturday, February 21
The Ornithophobia Diffusion
Season 5 • Episode 9
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
Saturday, February 21
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, February 21
The Extract Obliteration
Season 6 • Episode 6
A game threatens Sheldon's relationship with Stephen Hawking; Penny signs up for a college class.
Saturday, February 21
The Habitation Configuration
Season 6 • Episode 7
Sheldon is caught in the middle of Amy and Wil Wheaton's argument.
Saturday, February 21
The 43 Peculiarity
Season 6 • Episode 8
Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon.
Saturday, February 21
The Parking Spot Escalation
Season 6 • Episode 9
Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.
Saturday, February 21
The Fish Guts Displacement
Season 6 • Episode 10
When Amy gets sick, Sheldon tries to nurse her back to health.
Saturday, February 21
The Santa Simulation
Season 6 • Episode 11
During a game, Sheldon revisits Christmas memories; finding a date for Koothrappali.
Saturday, February 21
The Egg Salad Equivalency
Season 6 • Episode 12
Sheldon is accused of sexual harassment and winds up getting Raj, Leonard and Wolowitz in trouble.
Saturday, February 21
The Bakersfield Expedition
Season 6 • Episode 13
The guys don costumes and go on a road trip to a comic book convention.
Saturday, February 21
The Cooper/Kripke Inversion
Season 6 • Episode 14
Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke.
Saturday, February 21
The Spoiler Alert Segmentation
Season 6 • Episode 15
A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements.
Saturday, February 21
The Flaming Spittoon Acquisition
Season 5 • Episode 10
Sheldon is jealous when Stuart, from the comic book store, asks Amy out on a date.
Saturday, February 21
The Speckerman Recurrence
Season 5 • Episode 11
Leonard must face the bully who targeted him in high school; Penny confronts her past actions.
Saturday, February 21
The Friendship Contraction
Season 5 • Episode 15
Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose a nickname.
Saturday, February 21
The Hawking Excitation
Season 5 • Episode 21
When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.
Sunday, February 22
The Stag Convergence
Season 5 • Episode 22
Knowledge of Howard's sexual history makes Bernadette reconsider their future together.
Sunday, February 22
The Tangible Affection Proof
Season 6 • Episode 16
The guys search for Valentine's Day gifts; Stuart and Raj host a "lonely people" party.
Sunday, February 22
The Monster Isolation
Season 6 • Episode 17
Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.
Sunday, February 22
The Contractual Obligation Implementation
Season 6 • Episode 18
Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers.
Sunday, February 22
The Closet Reconfiguration
Season 6 • Episode 19
Howard considers whether he should open a letter from his father.
Sunday, February 22
The Closure Alternative
Season 6 • Episode 21
Amy tries to help Sheldon get over his need for closure; Raj discovers a secret about Lucy.
Sunday, February 22
The Proton Resurgence
Season 6 • Episode 22
Leonard and Sheldon hire the host of their favorite childhood TV show to perform.
Sunday, February 22
The Love Spell Potential
Season 6 • Episode 23
Amy and Sheldon's relationship takes a surprising turn during a game of "Dungeons & Dragons."
Sunday, February 22
The Bon Voyage Reaction
Season 6 • Episode 24
When Leonard receives an opportunity to work overseas, Penny and Sheldon are thrown for a loop.
Sunday, February 22
The Hofstadter Insufficiency
Season 7 • Episode 1
Sheldon and Penny share secrets while Leonard is away; Wolowitz helps Raj get over his ex.
Sunday, February 22
The Deception Verification
Season 7 • Episode 2
Leonard and Sheldon's friendship is tested; Wolowitz's masculinity is threatened.
Sunday, February 22
The Planetarium Collision
Season 12 • Episode 5
When Amy doesn't have time to work on super-asymmetry, Sheldon schemes to ensure she's available.
Sunday, February 22
The Imitation Perturbation
Season 12 • Episode 6
Sheldon seeks retaliation when Wolowitz dresses up as Sheldon for Halloween.
Sunday, February 22
The Grant Allocation Derivation
Season 12 • Episode 7
Leonard struggles when he's given the responsibility of distributing extra grant money.
Sunday, February 22
The Consummation Deviation
Season 12 • Episode 8
Sheldon tries to bond with Amy's father; Wolowitz lures Mr. Fowler away with magic tricks.
Sunday, February 22
The Citation Negation
Season 12 • Episode 9
Sheldon and Amy are devastated after learning that Super Asymmetry has already been disproved.
Sunday, February 22
The Launch Acceleration
Season 5 • Episode 23
Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard surprises Penny.
Sunday, February 22
The VCR Illumination
Season 12 • Episode 10
A VHS tape from Sheldon's past inspires him not to give up; Bernadette tries to help Wolowitz.
Sunday, February 22
The Countdown Reflection
Season 5 • Episode 24
The gang tries to help Wolowitz and Bernadette get married before the space launch.
Sunday, February 22
The Fish Guts Displacement
Season 6 • Episode 10
When Amy gets sick, Sheldon tries to nurse her back to health.
Sunday, February 22
The Bakersfield Expedition
Season 6 • Episode 13
The guys don costumes and go on a road trip to a comic book convention.
Monday, February 23
The Closet Reconfiguration
Season 6 • Episode 19
Howard considers whether he should open a letter from his father.
Monday, February 23
The Friendship Turbulence
Season 7 • Episode 17
Bernadette tries to negotiate peace between Sheldon and Wolowitz.
Monday, February 23
The Mommy Observation
Season 7 • Episode 18
Sheldon is faced with a new reality when he visits his mom in Houston.
Monday, February 23
The Proton Regeneration
Season 11 • Episode 6
Sheldon auditions for the role of the new Professor Proton; Penny takes care of Halley.
Monday, February 23
The Geology Methodology
Season 11 • Episode 7
Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali.
Monday, February 23
The Tesla Recoil
Season 11 • Episode 8
Leonard and Wolowitz are furious to learn Sheldon worked with the military behind their backs.
Monday, February 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.
Monday, February 23
The Confidence Erosion
Season 11 • Episode 10
Sheldon and Amy try to use math to eliminate wedding planning stress.
Monday, February 23
The Celebration Reverberation
Season 11 • Episode 11
Sheldon plans a dinner for Amy's birthday; Leonard receives a Christmas letter from his brother.
Monday, February 23
The Matrimonial Metric
Season 11 • Episode 12
Sheldon and Amy subject their friends to experiments; Penny reveals her feelings about Amy.
Monday, February 23
The Solo Oscillation
Season 11 • Episode 13
Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments.
Monday, February 23
The D & D Vortex
Season 12 • Episode 16
The gang fights for the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game.
Monday, February 23
The Consummation Deviation
Season 12 • Episode 8
Sheldon tries to bond with Amy's father; Wolowitz lures Mr. Fowler away with magic tricks.
Monday, February 23
The Laureate Accumulation
Season 12 • Episode 18
Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold.
Monday, February 23
The Inspiration Deprivation
Season 12 • Episode 19
Wolowitz buys a scooter that looks like the one he had years ago.
Monday, February 23
The Decision Reverberation
Season 12 • Episode 20
Koothrappali publishes a paper that suggests he may have discovered alien life.
Monday, February 23
The Plagiarism Schism
Season 12 • Episode 21
Kripke has proof that Dr. Pemberton plagiarized his thesis in college.
Monday, February 23
The Maternal Conclusion
Season 12 • Episode 22
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him.
Monday, February 23
The Change Constant
Season 12 • Episode 23
Sheldon and Amy await big news.
Monday, February 23
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.
Monday, February 23
Pilot
Season 1 • Episode 1
Leonard likes new neighbor Penny, but his roommate thinks he is chasing an impossible dream.
Tuesday, February 24
The Prom Equivalency
Season 8 • Episode 8
Sheldon feels pressured to participate in traditions when the gang re-creates a high-school prom.
Tuesday, February 24
The Zazzy Substitution
Season 4 • Episode 3
When Sheldon searches for an alternative to human companionship, the guys become concerned.
Tuesday, February 24
The Big Bran Hypothesis
Season 1 • Episode 2
Leonard volunteers to sign for a package, hoping to make a good impression on Penny.
Tuesday, February 24
The Fuzzy Boots Corollary
Season 1 • Episode 3
Unhappy that Penny is seeing someone, Leonard summons the courage to ask another woman out.
Tuesday, February 24
The Luminous Fish Effect
Season 1 • Episode 4
Getting fired gives Sheldon the opportunity to explore life beyond physics.
Tuesday, February 24
The Hamburger Postulate
Season 1 • Episode 5
Leonard, trying to get over Penny, has an unexpected encounter with a fellow scientist.
Tuesday, February 24
The Middle Earth Paradigm
Season 1 • Episode 6
Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.
Tuesday, February 24
The Dumpling Paradox
Season 1 • Episode 7
Penny sleeps on Leonard and Sheldon's couch when Wolowitz takes over her apartment.
Tuesday, February 24
The Grasshopper Experiment
Season 1 • Episode 8
On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks.
Tuesday, February 24
The Citation Negation
Season 12 • Episode 9
Sheldon and Amy are devastated after learning that Super Asymmetry has already been disproved.
Tuesday, February 24
The Loobenfeld Decay
Season 1 • Episode 10
Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing.
Tuesday, February 24
The Pancake Batter Anomaly
Season 1 • Episode 11
Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.
Tuesday, February 24
The Jerusalem Duality
Season 1 • Episode 12
Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
Tuesday, February 24
The Bat Jar Conjecture
Season 1 • Episode 13
The guys kick Sheldon off the Physics Bowl team and bring his nemesis aboard.
Tuesday, February 24
The Nerdvana Annihilation
Season 1 • Episode 14
Penny tells the guys their obsession with comics and toys is pathetic.
Tuesday, February 24
The Pork Chop Indeterminacy
Season 1 • Episode 15
Leonard, Wolowitz and Koothrappali fall for Sheldon's twin sister.
Tuesday, February 24
The Peanut Reaction
Season 1 • Episode 16
Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party.
Tuesday, February 24
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.
Wednesday, February 25
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.
Wednesday, February 25
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.
Wednesday, February 25
The Separation Triangulation
Season 11 • Episode 14
Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room.
Wednesday, February 25
The Novelization Correlation
Season 11 • Episode 15
Sheldon petitions Wil Wheaton to appear on his show, but Wil offers a role to Amy instead.
Wednesday, February 25
The Neonatal Nomenclature
Season 11 • Episode 16
When Bernadette won't go into labor, her friends try different tactics to get things started.
Wednesday, February 25
The Athenaeum Allocation
Season 11 • Episode 17
Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy.
Wednesday, February 25
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 25
The Tenant Disassociation
Season 11 • Episode 19
Leonard decides to run against Sheldon for president of the tenants association.
Wednesday, February 25
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.
Wednesday, February 25
The VCR Illumination
Season 12 • Episode 10
A VHS tape from Sheldon's past inspires him not to give up; Bernadette tries to help Wolowitz.
Wednesday, February 25
The Celebration Experimentation
Season 9 • Episode 17
For the first time in nine years, the gang celebrates Sheldon's birthday.
Wednesday, February 25
The Bow Tie Asymmetry
Season 11 • Episode 24
Amy's parents and Sheldon's family arrive; nearly everybody is focused on the wedding plans.
Wednesday, February 25
The Wedding Gift Wormhole
Season 12 • Episode 2
Sheldon and Amy go crazy trying to figure out what Leonard and Penny gave them for their wedding.
Wednesday, February 25
The D & D Vortex
Season 12 • Episode 16
The gang fights for the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game.
Thursday, February 26
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.
Thursday, February 26
The Desperation Emanation
Season 4 • Episode 5
Leonard realizes he is the only one in his group without a girlfriend.
Thursday, February 26
The White Asparagus Triangulation
Season 2 • Episode 9
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Thursday, February 26
The Vartabedian Conundrum
Season 2 • Episode 10
Leonard asks Penny for advice when his new relationship starts moving too fast.
Thursday, February 26
The Bath Item Gift Hypothesis
Season 2 • Episode 11
Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Thursday, February 26
The Killer Robot Instability
Season 2 • Episode 12
The guys lose their most important teammate in an upcoming fighting-robot competition.
Thursday, February 26
The Friendship Algorithm
Season 2 • Episode 13
Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
Thursday, February 26
The Financial Permeability
Season 2 • Episode 14
Sheldon's solution to Penny's financial difficulty leads to a confrontation.
Thursday, February 26
The Maternal Capacitance
Season 2 • Episode 15
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Thursday, February 26
The Paintball Scattering
Season 12 • Episode 11
Penny and Leonard organize a paintball game, which results in mayhem due to Sheldon's jealousy.
Thursday, February 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.
Thursday, February 26
The Work Song Nanocluster
Season 2 • Episode 18
Penny's home business turns into a complete nightmare when Sheldon takes over.
Thursday, February 26
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.
Thursday, February 26
The Hofstadter Isotope
Season 2 • Episode 20
Wolowitz and Leonard decide to check out a local bar on Ladies' Night.
Thursday, February 26
The Spoiler Alert Segmentation
Season 6 • Episode 15
A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements.
Thursday, February 26
The Tangible Affection Proof
Season 6 • Episode 16
The guys search for Valentine's Day gifts; Stuart and Raj host a "lonely people" party.
Thursday, February 26
The Monster Isolation
Season 6 • Episode 17
Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.
Thursday, February 26
The Contractual Obligation Implementation
Season 6 • Episode 18
Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers.
Friday, February 27
The Closet Reconfiguration
Season 6 • Episode 19
Howard considers whether he should open a letter from his father.
Friday, February 27
The Irish Pub Formulation
Season 4 • Episode 6
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Friday, February 27
The Reclusive Potential
Season 11 • Episode 20
A brilliant but reclusive scientist invites Sheldon to his cabin in the middle of nowhere.
Friday, February 27
The Comet Polarization
Season 11 • Episode 21
Friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
Friday, February 27
The Monetary Insufficiency
Season 11 • Episode 22
Sheldon tries to win money for science; Penny and Bernadette take Amy wedding dress shopping.
Friday, February 27
The Sibling Realignment
Season 11 • Episode 23
Sheldon's mother won't attend his wedding unless he invites his brother.
Friday, February 27
The Bow Tie Asymmetry
Season 11 • Episode 24
Amy's parents and Sheldon's family arrive; nearly everybody is focused on the wedding plans.
Friday, February 27
The Conjugal Configuration
Season 12 • Episode 1
Penny and Leonard discover they are uncomfortably similar to Amy's parents.
Friday, February 27
The Wedding Gift Wormhole
Season 12 • Episode 2
Sheldon and Amy go crazy trying to figure out what Leonard and Penny gave them for their wedding.
Friday, February 27
The Procreation Calculation
Season 12 • Episode 3
Stuart starts bringing his new girlfriend home; Koothrappali explores an arranged marriage.
Friday, February 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.
Friday, February 27
The Cornhusker Vortex
Season 3 • Episode 6
Sheldon teaches Leonard about football; kite-fighting threatens Howard and Raj's friendship.
Friday, February 27
The Propagation Proposition
Season 12 • Episode 12
Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help.
Friday, February 27
The Closure Alternative
Season 6 • Episode 21
Amy tries to help Sheldon get over his need for closure; Raj discovers a secret about Lucy.
Friday, February 27
The Proton Resurgence
Season 6 • Episode 22
Leonard and Sheldon hire the host of their favorite childhood TV show to perform.
Friday, February 27
The Love Spell Potential
Season 6 • Episode 23
Amy and Sheldon's relationship takes a surprising turn during a game of "Dungeons & Dragons."
Friday, February 27
The Hofstadter Insufficiency
Season 7 • Episode 1
Sheldon and Penny share secrets while Leonard is away; Wolowitz helps Raj get over his ex.
Saturday, February 28
The Deception Verification
Season 7 • Episode 2
Leonard and Sheldon's friendship is tested; Wolowitz's masculinity is threatened.
Saturday, February 28
The Apology Insufficiency
Season 4 • Episode 7
Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.
Saturday, February 28
The Scavenger Vortex
Season 7 • Episode 3
Raj designs a scavenger hunt that brings out the best -- and the worst -- in the whole gang.
Saturday, February 28
The Raiders Minimization
Season 7 • Episode 4
Sheldon wants revenge after Amy ruins one of his favorite films.
Saturday, February 28
The Workplace Proximity
Season 7 • Episode 5
Sheldon and Amy's relationship is tested when she takes a job at his university.
Saturday, February 28
The Romance Resonance
Season 7 • Episode 6
Sheldon's latest scientific breakthrough leaves him feeling like a fraud.
Saturday, February 28
The Proton Displacement
Season 7 • Episode 7
When Professor Proton asks Leonard for help with an experiment, Sheldon befriends Proton's rival.
Saturday, February 28
The Itchy Brain Simulation
Season 7 • Episode 8
When a mistake comes to light, Sheldon punishes Leonard; Penny decides to confront Raj's ex.
Saturday, February 28
The Thanksgiving Decoupling
Season 7 • Episode 9
When the gang decides to spend Thanksgiving at Mrs. Wolowitz's house, Sheldon protests.
Saturday, February 28
The Discovery Dissipation
Season 7 • Episode 10
Amy and Leonard try to help Sheldon deal with his shame; Raj stays with Bernadette and Howard.
Saturday, February 28
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.
Saturday, February 28
The Hesitation Ramification
Season 7 • Episode 12
Penny asks Leonard a bold question about their relationship; Sheldon wants to learn how to be funny.
Saturday, February 28
The Bon Voyage Reaction
Season 6 • Episode 24
When Leonard receives an opportunity to work overseas, Penny and Sheldon are thrown for a loop.
Saturday, February 28
The Scavenger Vortex
Season 7 • Episode 3
Raj designs a scavenger hunt that brings out the best -- and the worst -- in the whole gang.
Saturday, February 28
The Raiders Minimization
Season 7 • Episode 4
Sheldon wants revenge after Amy ruins one of his favorite films.
Saturday, February 28
The Workplace Proximity
Season 7 • Episode 5
Sheldon and Amy's relationship is tested when she takes a job at his university.
Sunday, March 1
The Romance Resonance
Season 7 • Episode 6
Sheldon's latest scientific breakthrough leaves him feeling like a fraud.
Sunday, March 1
The Occupation Recalibration
Season 7 • Episode 13
Sheldon must learn how to relax when he is forced to take a vacation.
Sunday, March 1
The Convention Conundrum
Season 7 • Episode 14
Unable to get Comic-Con tickets, Sheldon tries to hold his own convention.
Sunday, March 1
The Locomotive Manipulation
Season 7 • Episode 15
Sheldon and Amy go on a trip to wine country with Howard and Bernadette.
Sunday, March 1
The Table Polarization
Season 7 • Episode 16
When Leonard buys a dining room table, Sheldon re-evaluates the changes in his life.
Sunday, March 1
The Friendship Turbulence
Season 7 • Episode 17
Bernadette tries to negotiate peace between Sheldon and Wolowitz.
Sunday, March 1
The Mommy Observation
Season 7 • Episode 18
Sheldon is faced with a new reality when he visits his mom in Houston.
Sunday, March 1
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.
Sunday, March 1
The Relationship Diremption
Season 7 • Episode 20
Sheldon has a personal crisis when he decides string theory is a waste of his time.
Sunday, March 1
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.
Sunday, March 1
The Proton Transmogrification
Season 7 • Episode 22
Professor Proton helps Sheldon deal with grief; Leonard gets into a competition with Penny.
Sunday, March 1
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, March 1
The Vengeance Formulation
Season 3 • Episode 9
After being humiliated on the radio, Sheldon vows to destroy Kripke.
Sunday, March 1
The Gorilla Experiment
Season 3 • Episode 10
Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous.
Sunday, March 1
The Maternal Congruence
Season 3 • Episode 11
Leonard is horrified when his mother (Christine Baranski) visits.
Sunday, March 1
The Psychic Vortex
Season 3 • Episode 12
Sheldon and Koothrappali attend a mixer; Leonard discovers that Penny believes in psychics.
Sunday, March 1
The Bozeman Reaction
Season 3 • Episode 13
Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
Sunday, March 1
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.
Monday, March 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, March 2
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, March 2
The Relationship Diremption
Season 7 • Episode 20
Sheldon has a personal crisis when he decides string theory is a waste of his time.
Monday, March 2
The Tam Turbulence
Season 12 • Episode 4
Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend.
Monday, March 2
The Planetarium Collision
Season 12 • Episode 5
When Amy doesn't have time to work on super-asymmetry, Sheldon schemes to ensure she's available.
Monday, March 2
The Imitation Perturbation
Season 12 • Episode 6
Sheldon seeks retaliation when Wolowitz dresses up as Sheldon for Halloween.
Monday, March 2
The Grant Allocation Derivation
Season 12 • Episode 7
Leonard struggles when he's given the responsibility of distributing extra grant money.
Monday, March 2
The Consummation Deviation
Season 12 • Episode 8
Sheldon tries to bond with Amy's father; Wolowitz lures Mr. Fowler away with magic tricks.
Monday, March 2
The Citation Negation
Season 12 • Episode 9
Sheldon and Amy are devastated after learning that Super Asymmetry has already been disproved.
Monday, March 2
The VCR Illumination
Season 12 • Episode 10
A VHS tape from Sheldon's past inspires him not to give up; Bernadette tries to help Wolowitz.
Monday, March 2
The Paintball Scattering
Season 12 • Episode 11
Penny and Leonard organize a paintball game, which results in mayhem due to Sheldon's jealousy.
Monday, March 2
The Spaghetti Catalyst
Season 3 • Episode 20
Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.
Monday, March 2
The Confirmation Polarization
Season 12 • Episode 13
A rival team of physicists tries to take credit for Amy and Sheldon's super asymmetry theory.
Monday, March 2
The Staircase Implementation
Season 3 • Episode 22
Leonard tells Penny about how he met Sheldon and what happened to the elevator.
Monday, March 2
The Lunar Excitation
Season 3 • Episode 23
Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.
Monday, March 2
The Robotic Manipulation
Season 4 • Episode 1
Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.
Monday, March 2
The Zazzy Substitution
Season 4 • Episode 3
When Sheldon searches for an alternative to human companionship, the guys become concerned.
Monday, March 2
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.
Monday, March 2
The Desperation Emanation
Season 4 • Episode 5
Leonard realizes he is the only one in his group without a girlfriend.
Monday, March 2
The Irish Pub Formulation
Season 4 • Episode 6
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Monday, March 2
The Apology Insufficiency
Season 4 • Episode 7
Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.
Tuesday, March 3
The Mommy Observation
Season 7 • Episode 18
Sheldon is faced with a new reality when he visits his mom in Houston.
Tuesday, March 3
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.
Tuesday, March 3
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.
Tuesday, March 3
The Alien Parasite Hypothesis
Season 4 • Episode 10
Koothrappali and Wolowitz try to prove who would be a better superhero.
Tuesday, March 3
The Justice League Recombination
Season 4 • Episode 11
The guys try to bond with Penny's new boyfriend through a costume contest.
Tuesday, March 3
The Bus Pants Utilization
Season 4 • Episode 12
Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.
Tuesday, March 3
The Love Car Displacement
Season 4 • Episode 13
Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.
Tuesday, March 3
The Thespian Catalyst
Season 4 • Episode 14
Sheldon takes acting lessons from Penny in hope of becoming a better teacher.
Tuesday, March 3
The Benefactor Factor
Season 4 • Episode 15
A wealthy donor makes Leonard question what he is willing to do for science.
Tuesday, March 3
The Meteorite Manifestation
Season 12 • Episode 14
Leonard is disappointed when his friends exclude him from a scientific project.
Tuesday, March 3
The Toast Derivation
Season 4 • Episode 17
Sheldon is upset when he realizes Leonard is the center of their group of friends.
Tuesday, March 3
The Prestidigitation Approximation
Season 4 • Episode 18
Leonard must choose between Penny and his new girlfriend, Priya.
Tuesday, March 3
The Zarnecki Incursion
Season 4 • Episode 19
The guys try to figure out who hacked Sheldon's online-game account.
Tuesday, March 3
The Herb Garden Germination
Season 4 • Episode 20
Howard decides to take a big step in his relationship with Bernadette.
Tuesday, March 3
The Agreement Dissection
Season 4 • Episode 21
Priya dissects the roommate agreement; the ladies take Sheldon dancing.
Tuesday, March 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, March 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, March 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.
Wednesday, March 4
The Gorilla Dissolution
Season 7 • Episode 23
A bad day compels Penny to re-evaluate her choices -- including Leonard.
Wednesday, March 4
The Boyfriend Complexity
Season 4 • Episode 9
Penny asks Leonard to lie to her father; an all-nighter at a telescope.
Wednesday, March 4
The Propagation Proposition
Season 12 • Episode 12
Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help.
Wednesday, March 4
The Confirmation Polarization
Season 12 • Episode 13
A rival team of physicists tries to take credit for Amy and Sheldon's super asymmetry theory.
Wednesday, March 4
The Meteorite Manifestation
Season 12 • Episode 14
Leonard is disappointed when his friends exclude him from a scientific project.
Wednesday, March 4
The Donation Oscillation
Season 12 • Episode 15
Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend.
Wednesday, March 4
The D & D Vortex
Season 12 • Episode 16
The gang fights for the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game.
Wednesday, March 4
The Conference Valuation
Season 12 • Episode 17
When Penny and Bernadette go to a convention, Wolowitz is left in charge of the kids.
Wednesday, March 4
The Good Guy Fluctuation
Season 5 • Episode 7
An attractive comic book artist tests Leonard and Priya's relationship.
Wednesday, March 4
The Donation Oscillation
Season 12 • Episode 15
Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend.
Wednesday, March 4
The Status Quo Combustion
Season 7 • Episode 24
Faced with an uncertain future, Sheldon considers a major change.
Wednesday, March 4
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, March 4
The Junior Professor Solution
Season 8 • Episode 2
Amy takes advantage of the tension between Penny and Bernadette.
Wednesday, March 4
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.
Thursday, March 5
The Hook-Up Reverberation
Season 8 • Episode 4
Raj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny.
Thursday, March 5
The Alien Parasite Hypothesis
Season 4 • Episode 10
Koothrappali and Wolowitz try to prove who would be a better superhero.
Thursday, March 5
The Ornithophobia Diffusion
Season 5 • Episode 9
Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
Thursday, March 5
The Flaming Spittoon Acquisition
Season 5 • Episode 10
Sheldon is jealous when Stuart, from the comic book store, asks Amy out on a date.
Thursday, March 5
The Speckerman Recurrence
Season 5 • Episode 11
Leonard must face the bully who targeted him in high school; Penny confronts her past actions.
Thursday, March 5
The Shiny Trinket Maneuver
Season 5 • Episode 12
Amy is upset with Sheldon when he isn't impressed with her recent accomplishment.
Thursday, March 5
The Recombination Hypothesis
Season 5 • Episode 13
Everything could change when Leonard spontaneously invites Penny to a romantic dinner.
Thursday, March 5
The Beta Test Initiation
Season 5 • Episode 14
Penny and Leonard experiment with their new relationship; Raj forms an unusual bond.
Thursday, March 5
The Friendship Contraction
Season 5 • Episode 15
Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose a nickname.
Thursday, March 5
The D & D Vortex
Season 12 • Episode 16
The gang fights for the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game.
Thursday, March 5
The Rothman Disintegration
Season 5 • Episode 17
Sheldon and Kripke compete for a corner office; Penny receives a gift from Amy.
Thursday, March 5
The Werewolf Transformation
Season 5 • Episode 18
Sheldon's routine is turned upside down when his barber gets sick.
Thursday, March 5
The Weekend Vortex
Season 5 • Episode 19
Sheldon chooses to participate in a guys-only weekend gaming marathon rather than joining Amy.
Thursday, March 5
The Transporter Malfunction
Season 5 • Episode 20
After receiving new "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock.
Thursday, March 5
The Focus Attenuation
Season 8 • Episode 5
During their weekend in Las Vegas, Bernadette and Amy accuse Penny of being a buzz kill.
Thursday, March 5
The Expedition Approximation
Season 8 • Episode 6
Raj and Sheldon try to simulate a dark-matter research expedition; Penny and Leonard have a fight.
Thursday, March 5
The Misinterpretation Agitation
Season 8 • Episode 7
The guys try to help when Penny is faced with an awkward dilemma at work.
Thursday, March 5
The Prom Equivalency
Season 8 • Episode 8
Sheldon feels pressured to participate in traditions when the gang re-creates a high-school prom.
Friday, March 6
The Septum Deviation
Season 8 • Episode 9
Leonard has minor surgery on his nose, causing Sheldon to overreact.
Friday, March 6
The Bus Pants Utilization
Season 4 • Episode 12
Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.
Friday, March 6
The Laureate Accumulation
Season 12 • Episode 18
Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold.
Friday, March 6
The Inspiration Deprivation
Season 12 • Episode 19
Wolowitz buys a scooter that looks like the one he had years ago.
Friday, March 6
The Decision Reverberation
Season 12 • Episode 20
Koothrappali publishes a paper that suggests he may have discovered alien life.
Friday, March 6
The Plagiarism Schism
Season 12 • Episode 21
Kripke has proof that Dr. Pemberton plagiarized his thesis in college.
Friday, March 6
The Maternal Conclusion
Season 12 • Episode 22
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him.
Friday, March 6
The Change Constant
Season 12 • Episode 23
Sheldon and Amy await big news.
Friday, March 6
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.
Friday, March 6
Pilot
Season 1 • Episode 1
Leonard likes new neighbor Penny, but his roommate thinks he is chasing an impossible dream.
Friday, March 6
The Decoupling Fluctuation
Season 6 • Episode 2
Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard.
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