Ancient Aliens
Cast & Crew

Robert Clotworthy Narrator

Giorgio A. Tsoukalos Actor

Erich von Däniken Actor

David Childress Actor

William Henry Actor

Linda Moulton Howe Actor

David Wilcock Actor

Jonathan Young Actor

Jason Martell Actor

Kevin Burns Executive Producer

David Silver Executive Producer

Kim Sheerin Executive Producer

Max Thompson Executive Producer

Susan Leventhal Executive Producer
⨁Full Cast & CrewUpcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Tuesday, July 8
The Sentinels
Season 13 • Episode 10
A Polynesian land of bizarre figures; evidence of mankind's extraterrestrial origins.
Tuesday, July 8
The Artificial Human
Season 13 • Episode 13
A look at intelligent robots: whether they are a threat to humanity or the next step in evolution.
Tuesday, July 8
The Alien Phenomenon
Season 13 • Episode 14
Erich von Däniken's "Chariots of the Gods?" suggests aliens visited Earth in the distant past.
Tuesday, July 8
Return to Mars
Season 13 • Episode 15
An examination of possible encounters humans could have once colonies are established beyond Earth.
Tuesday, July 8
The Immortality Machine
Season 15 • Episode 8
The blueprint was provided by an extraterrestrial visitor known as the Integratron.
Tuesday, July 8
The Harmonic Code
Season 16 • Episode 10
Archaeologists discover that many ancient sites were constructed with an acoustic purpose.
Tuesday, July 8
Ancient Aliens on Location: Mysterious Artifacts
Season 18 • Episode 15
Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe.
Tuesday, July 8
The Crop Circle Code
Season 19 • Episode 2
More than 10,000 crop circle formations have been documented in over 50 countries.
Tuesday, July 8
The Mystery of Skinwalker Ranch
Season 15 • Episode 10
A Utah ranch that some believe is a hotbed of strange, inexplicable phenomena.
Tuesday, July 15
Gods & Aliens
Season 2 • Episode 2
Analyzing the theory that aliens accelerated human evolution and advanced civilization.
Tuesday, July 15
Alien Tech
Season 2 • Episode 6
Investigating whether the secrets of technology came from our imaginations or from aliens.
Tuesday, July 15
The Alien Agenda
Season 9 • Episode 12
Ancient astronaut theorists believe that extraterrestrials played a pivotal role in human history.
Tuesday, July 15
Aliens B.C.
Season 10 • Episode 1
Archaeologists are discovering artifacts that defy the conventional timeline of human history.
Tuesday, July 15
The Desert Codes
Season 13 • Episode 5
Researchers study giant drawings etched into the desert floor, which may be a part of an alien code.
Tuesday, July 15
Island of the Giants
Season 13 • Episode 8
Marty Lagina and Giorgio A. Tsoukalos explore ancient mysteries in Sardinia, Italy.
Tuesday, July 15
The Secrets of Stonehenge
Season 14 • Episode 17
Stonehenge's mysterious Bluestone circle could have activated a portal.
Tuesday, July 15
Food of the Gods
Season 14 • Episode 18
The nectar of the gods could be sustenance for alien visitors and is their insight into the future.
Tuesday, July 15
Human Hieroglyphs
Season 14 • Episode 19
A look at whether tattoos and piercings create a profound link to ancient ancestors.
Tuesday, July 15
The Storming of Area 51
Season 14 • Episode 20
In 2019, millions responded to an internet post about storming the gates of Area 51.
Tuesday, July 15
They Came from The Pleiades
Season 15 • Episode 7
Scientific findings reveal that humankind's true origins lie not on Earth but 400 light years away.
Tuesday, July 15
The Space Travelers
Season 16 • Episode 8
Humankind's most profound achievement; what humans might learn by venturing out farther into space.
Saturday, July 19
The Mystery of Nan Madol
Season 15 • Episode 1
The mysterious chain of manmade islets in Micronesia's Nan Madol.
Saturday, July 19
The Relics of Roswell
Season 15 • Episode 2
New evidence may prove that remnants of an alien spacecraft still exist in Roswell, N.M.
Tuesday, July 22
Aliens and Deadly Cults
Season 3 • Episode 12
People who have claimed to have otherworldly knowledge lead followers to commit acts of violence.
Tuesday, July 22
Aliens and the Secret Code
Season 3 • Episode 13
People consider whether ancient man's structures were built by humans alone or with visitors.
Tuesday, July 22
Aliens and the Undead
Season 3 • Episode 14
Theorists speculate about stories of encounters with zombies, vampires and undead creatures.
Tuesday, July 22
The Animal Agenda
Season 12 • Episode 12
Researchers suggest that some animals may have been planted here by aliens as part of an experiment.
Tuesday, July 22
The Replicants
Season 12 • Episode 13
Theorists suggest that aliens designed the human body to be a vessel for otherworldly entities.
Tuesday, July 22
Return to Gobekli Tepe
Season 12 • Episode 16
The ancient site of Gobekli Tepe challenges what archaeologists believe about the past.
Tuesday, July 22
Da Vinci's Forbidden Codes
Season 13 • Episode 2
Researchers claim hidden messages can be found within the works of Leonardo da Vinci.
Tuesday, July 22
Element 115
Season 14 • Episode 3
Element 115 is the fuel source for an alien spacecraft reverse-engineered by the U.S. government.
Tuesday, July 22
The Star Gods of Sirius
Season 14 • Episode 4
Aliens from the tiny star Sirius B may have visited humans in the distant past.
Tuesday, July 22
The Druid Connection
Season 14 • Episode 7
A look at if ancient Druids traveled to New England and New York's Hudson Valley centuries ago.
Tuesday, July 22
The Reptilian Agenda
Season 14 • Episode 8
A look at if reptile-like beings found in religious texts are extraterrestrials.