Ancient Aliens - Season 21 (2025)

46%

7.0 (13k)

42min

Where to watch Watch for free Episodes Synopsis Trailers Similar titles

Ancient Aliens

19 Episodes

S21 E1 - The Top Ten Extraordinary Discoveries

S21 E2 - The Top Ten Mysterious Monoliths

S21 E3 - The Top Ten UFO Crashes

S21 E4 - The Top Ten Unexplained Technologies

S21 E5 - The Top Ten Secret Projects

S21 E6 - The Top Ten Mysterious Mountains

S21 E7 - Mysteries of the Aztecs

S21 E8 - The Glowing Orb Phenomenon

S21 E9 - The Legacy of J. Allen Hynek

S21 E10 - The Volcano Factor

S21 E11 - The Birdman Mystery

S21 E12 - The Abduction Files

S21 E13 - The Giants

S21 E14 - Aliens In Our Midst

S21 E15 - Britain's UFO Files

S21 E16 - Mysteries Of The Norse Gods

S21 E17 - Secrets of Japan

S21 E18 - Skulls of the Gods

S21 E19 - Egypt's Lost Pyramid

CC

HD

17 Episodes - 42min - English

Then $5.99 (NZ$ 10.15) / month

CC

HD

17 Episodes - 42min - English

Then $5.99 (NZ$ 10.15) / month

Something wrong? Let us know!

Streaming, rent, or buy Ancient Aliens – Season 21:

We couldn’t find any streaming options in New Zealand, but Ancient Aliens - Season 21 is available in the United States and 5 other countries on HISTORY Vault Apple TV Channel, HISTORY Vault Amazon Channel, and 13 other services.

Synopsis

"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

Videos: Trailers, Teasers, Featurettes

Trailer Preview Image

Trailer Preview Image

Cast

Robert Clotworthy

Robert Clotworthy

Narrator (voice)

Giorgio A. Tsoukalos

Giorgio A. Tsoukalos

Self

Ariel Bar Tzadok

Ariel Bar Tzadok

Self

Jonathan Young

Jonathan Young

Self

David Childress

David Childress

Self

Erich von Däniken

Erich von Däniken

Self

Linda Moulton Howe

Linda Moulton Howe

Self

David Wilcock

David Wilcock

Self

George Noory

George Noory

Self

Philip Coppens

Philip Coppens

Self

People who liked Ancient Aliens also liked

Forged in Fire

Air Crash Investigation

S.O.Z: Soldiers or Zombies

The Walking Dead: World Beyond

Forensic Files

ALF

Abandoned Engineering

Ghost Adventures

Mike Judge's Beavis and Butt-Head

Beyond Belief: Fact or Fiction

Beyond Skinwalker Ranch

The Real Murders on Elm Street

Masters of Horror

Battle of Fates

Lost Treasures of the Bible

Popular TV shows coming soon

A Knight of the Seven Kingdoms

Peacemaker

Stranger Things

Spartacus: House of Ashur

Bel-Air

House of the Dragon

Dune: Prophecy

Wonder Man

Bridgerton

ONE PIECE

FROM

All Her Fault

The Gentlemen

Shōgun

Ahsoka

Upcoming History TV shows

Brazil 70 - A saga do Tri - Season 1

Similar TV Shows you can watch for free

The Walking Dead: Dead City

That Chapter

The Beverly Hillbillies

Drink: A Look Inside the Glass

Navy SEALS - BUDS Class 234

2001: A Space Travesty

Pensacola: Wings of Gold

72 Hours: True Crime

Pignorant

Darker Passages

Flash Gordon (1936-1940)

The Ave

The Curse of Oak Island

Nazi Hunters

No Easy Days

Other Robert Clotworthy TV shows

Blood and Glory: The Civil War in Color

Gokusen

The Korean War

Looking for Rembrandt

National Treasure

Beforeigners

Synanthrope

Magical Girl Site

Delightfully Deceitful

Saint Seiya Omega

Africa

Dublin Narcos

Boris Becker: The Rise and Fall

Ame to Kimi to

Fabulous Lives of Bollywood Wives