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Ancient Aliens S21E17 — Secrets of Japan

8.0

Ancient Aliens•Season 21•Episode 17

Secrets of Japan

8.0/10 · 26 votesNov 6, 202560 min

Ranked #8 of 17 in Season 21•+0.2 vs season avg

Japan is a land rich with ancient mysteries, and recently, it has also become known as a UFO hotspot. Could it be, as Ancient Astronaut Theorists suggest, that this island nation has a long history of extraterrestrial activity?

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Season 21 Episodes17

The Top Ten Extraordinary Discoveries still

The Top Ten Extraordinary Discoveries

The Top Ten Mysterious Monoliths still

The Top Ten Mysterious Monoliths

The Top Ten UFO Crashes still

The Top Ten UFO Crashes

The Top Ten Unexplained Technologies still

The Top Ten Unexplained Technologies

The Top Ten Secret Projects still

The Top Ten Secret Projects

The Top Ten Mysterious Mountains still

The Top Ten Mysterious Mountains

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The Glowing Orb Phenomenon

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The Abduction Files

The Giants still

The Giants

Aliens in Our Midst still

Aliens in Our Midst

Britain's UFO Files still

Britain's UFO Files

Mysteries of the Norse Gods still

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Secrets of Japan still

E17 8.0Now viewing

Secrets of Japan

Cast16

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

Nick Pope

Nick Pope

Self

Mike Bara

Mike Bara

Self

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Episode Summary

"Secrets of Japan" is episode 17 of Ancient Aliens season 21. It scored 8.0/10 from 26 votes, ranking #8 of 17 episodes this season (season average 7.8). It aired on November 6, 2025.

Continue to Season 22 Best of Season 21