Ancient Aliens

Return to Mars

Documentary Jan 7, 2019 52 min HISTORY Vault

Available on HISTORY, Philo, Prime Video, Hulu, Sling TV, HISTORY Vault

S13 E15: As humanity prepares to establish colonies beyond Earth, are we simply realizing mankind's future or returning to its extraterrestrial past?

Documentary Jan 7, 2019 52 min HISTORY Vault

TV-PG

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.