Stream HISTORYTryhistoryvault logo

New Episodes Thursdays 10/9c; Stream Next Day

Ancient Aliens

21 Seasons

216 Episodes

Stream on HISTORY Subscribe to
AboutEpisodesExtrasRelated

Related Content

Explore More: Mysteries & Folklore

Interactive: UFO Sightings Map

Which HISTORY Channel Show Should You Watch Right Now?

Top 10 Series

The Secret of Skinwalker Ranch

The Secret of Skinwalker Ranch

World War II with Tom Hanks

World War II with Tom Hanks

Alone

Alone

The Curse of Oak Island

The Curse of Oak Island

Swamp People

Swamp People

The UnXplained

The UnXplained

The UnBelievable with Dan Aykroyd

The UnBelievable with Dan Aykroyd

Mountain Men

Mountain Men

Ancient Aliens

Ancient Aliens

Hazardous History with Henry Winkler

Hazardous History with Henry Winkler

Follow HISTORY

Don't miss sneak peeks, viral clips and more!

Chilling Mysteries

In Search Of

In Search Of

The Secret of Skinwalker Ranch

The Secret of Skinwalker Ranch

The UnBelievable with Dan Aykroyd

The UnBelievable with Dan Aykroyd

The UnXplained

The UnXplained

History's Greatest Escapes with Morgan Freeman

History's Greatest Escapes with Morgan Freeman

UFO Hunters

UFO Hunters

Secrets Declassified with David Duchovny

Secrets Declassified with David Duchovny

Ancient Aliens

Ancient Aliens

Mysteries Unearthed with Danny Trejo

Mysteries Unearthed with Danny Trejo

History's Greatest Mysteries

History's Greatest Mysteries

History's Deadliest with Ving Rhames

History's Deadliest with Ving Rhames

The Curse of Oak Island

The Curse of Oak Island

MonsterQuest

MonsterQuest

Holy Marvels with Dennis Quaid

Holy Marvels with Dennis Quaid

MysteryQuest

MysteryQuest

Cities Of The Underworld

Cities Of The Underworld

Mysteries from Above

Mysteries from Above

Hunting History with Steven Rinella

Hunting History with Steven Rinella

Life After People

Life After People

History's Most Shocking

History's Most Shocking

The Proof Is Out There

The Proof Is Out There

Tales from Oak Island

Tales from Oak Island

Ancient Aliens: Origins

Ancient Aliens: Origins

The UnXplained Special Presentation

The UnXplained Special Presentation

The UnXplained: Mysteries of the Universe

The UnXplained: Mysteries of the Universe

Dark Marvels

Dark Marvels

The Bermuda Triangle: Into Cursed Waters

The Bermuda Triangle: Into Cursed Waters

Beyond Skinwalker Ranch

Beyond Skinwalker Ranch

Lost Gold of the Aztecs

Lost Gold of the Aztecs

Swamp Mysteries

Swamp Mysteries

In Search of Aliens

In Search of Aliens

Ancient Aliens and Beyond

Ancient Aliens

Ancient Aliens

UFO Hunters

UFO Hunters

In Search of Aliens

In Search of Aliens

Unidentified: Inside America's UFO Investigation

Unidentified: Inside America's UFO Investigation

The Secret of Skinwalker Ranch

The Secret of Skinwalker Ranch

Ancient Aliens: Origins

Ancient Aliens: Origins

Beyond Skinwalker Ranch

Beyond Skinwalker Ranch

Ancient Aliens Special Presentation

Ancient Aliens Special Presentation

Downloadthe app
history logo
AndroidiOSLGAndroid TV
Apple TVRokuSamsung