History Channel series “Ancient Aliens” returns Friday, February 7 at 9 p.m. ET with all-new episodes. Stream the season premiere for free with a Philo 7-day trial.

This program reveals that although alien sightings have become a big part ... alien life forms have been in contact with Earth since ancient times ...

“History Channel-produced programs in particular ... On the air since 2009 — and with more than 250 episodes to its name — Ancient Aliens has been rebuked for presenting as fact the ...

Special guests include Giorgio Tsoukalos, the host and producer of the History Channel’s hit TV show “Ancient Aliens”; ...