Ancient Aliens

Name: Ancient Aliens S02:E03 - Underwater Worlds
Uploaded: 2025-08-01T04:00:00.000Z
Duration: 44 min 2 s
Description: Ancient underwater cities can be found around the globe, but could these aquatic worlds be the ruins of unknown civilizations--or even proof of extraterrestrial visitations?

Season 2 Episode 3 - Underwater Worlds

2010 · 45 min · 15 Seasons

TV-PG

Documentary

Ancient underwater cities can be found around the globe, but could these aquatic worlds be the ruins of unknown civilizations--or even proof of extraterrestrial visitations?

Subtitles: English

Starring:Robert Clotworthy Giorgio Tsoukalos David Childress

S02:E01

S02:E02

S02:E03 - Underwater Worlds

Ancient underwater cities can be found around the globe, but could these aquatic worlds be the ruins of unknown civilizations--or even proof of extraterrestrial visitations?

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