Extraterrestrial Lairs (S02E12)
S02E12
Throughout different continents and cultures, secluded caves, towering mountains, and underground mazes have been seen as mystical sanctuaries—concealed abodes of deities, giants, and creatures that blur the line between human and otherworldly.
Show
Ancient Aliens: Origins
Episode
S02E12
Air Date
Jan 05, 2026
Season 2 Episodes
S02E01
Extraterrestrial Teachers
S02E02
Extraterrestrial Rituals
S02E03
Gateways to the Stars
S02E04
Otherworldly Rulers
S02E05
Extraterrestrial Deluge
S02E06
The Cryptid Mystery
S02E07
Are We Alone?
S02E08
Messengers Among Us
S02E09
Alien Reinventions
S02E10
Alien Brotherhoods And Codes
S02E11
Alien Time Travelers
S02E12
Extraterrestrial Lairs