9-th episode of 4-th season "Ancient Aliens"

What "Ancient Aliens" 9-th episode about

This episode suggests that some alleged alien encounters and UFO sightings may be of beings from Earth's future traveling in time machines, and that these same beings could have posed as ancient aliens in the distant past.

Episode number: 9

Episode name: "The Time Travelers"

Episode release date: 28 april 2012 at 02:00

Status: aired