- Robert Clotworthy (Narrator (voice))
- Giorgio A. Tsoukalos (Self)
- Ariel Bar Tzadok (Self)
- Jonathan Young (Self)
- David Childress (Self)
- Erich von Däniken (Self)
- Linda Moulton Howe (Self)
- David Wilcock (Self)
- George Noory (Self)
- Philip Coppens (Self)
- Nick Pope (Self)
- Mike Bara (Self)
- Bill Birnes (Self)
- Hugh Newman (Self)
- Robert M. Schoch (Self)
- Nick Redfern (Self)
Ancient Aliens — S16E7
Episode: Impossible Artifacts
Air Date: 2021-02-19
Runtime: 42 min
Overview
Throughout the world, ancient objects have been found that leave archaeologists at a loss. Could these impossible artifacts suggest that advanced--and perhaps even extraterrestrial--civilizations existed on Earth thousands of years before our own?