Aired Thursday 16 April, 9:00pm - 10:00pmon Blaze (Freeview)

Ancient Aliens

Name: 4:00pm - Series 20 Episode 13
Start: 2026-04-23T15:00:00Z
End: 2026-04-23T16:00:00Z
Location: Blaze (Freeview)

Series 21 Episode 6: The Top Ten Mysterious Mountains

Counting down ten mysterious mountains that are notorious for otherworldly phenomena. From a summit in Sri Lanka that is said to be a portal to other worlds and a volcano in Washington that was at the centre of a UFO sighting.

Category: Documentary / History / Paranormal
Original air date: 14/03/2025

Cast and crew

Alex HicksDirector
Robert ClotworthyNarrator
Giorgio Tsoukalos
Erich von Däniken
David Childress
William Henry
Linda Moulton Howe
David Wilcock
Jonathan Young
Jason Martell

+ Show all cast and crew

Upcoming broadcasts

Tomorrow, 4:00pmon Blaze (Freeview)
Series 20 Episode 11
Tomorrow, 3:00amon Blaze +1 (Freeview)
Series 20 Episode 11
Wednesday 22 April, 3:00amon Blaze +1 (Freeview)
Series 7 Episode 8
Wednesday 22 April, 4:00pmon Blaze (Freeview)
Series 20 Episode 12
Thursday 23 April, 3:00amon Blaze +1 (Freeview)
Series 20 Episode 12
Thursday 23 April, 4:00pmon Blaze (Freeview)
Series 20 Episode 13