Theorists believe that thousands of years ago, extraterrestrials landed on Earth in the season 20 premiere of History Channel’s hit series “Ancient Aliens” set to air Thursday, January 15 at 9 p.m.

Streaming platforms for Alien: Earth - On Set Dispatches haven’t been announced yet. Check back soon for updates on where you can watch it online.

Many of the officials claim they cannot share more evidence for or details about the claimed alien encounters because they remain classified. The film's most explosive allegation, that an alien ...