S18·E4 The World on Alert
Synopsis
Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the evidence has become too great to ignore–and the truth about an extraterrestrial presence on Earth will soon be revealed.
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Frequently Asked Questions
When did Season 18 Episode 4 of Ancient Aliens air?
Season 18, Episode 4 ('The World on Alert') originally aired on January 28, 2022.
How long is Season 18 Episode 4 ('The World on Alert')?
The runtime for this episode is approximately 42 minutes.
What happens in Ancient Aliens Season 18 Episode 4?
Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the evidence has become too great to ignore–and the truth about an extraterrestrial presence on Earth will soon be revealed....
All Ancient Aliens episode ratings Season 18 Where to watch
Top-rated Ancient Aliens episodes
- S2E8 · Unexplained Structures ★ 9.2
- S2E3 · Underwater Worlds ★ 8.8
- S2E6 · Alien Tech ★ 8.6
- S2E4 · Underground Aliens ★ 8.6
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