In Search of Aliens

UFO

The Secret of Skinwalker Ranch

Les portes du futur

Storming Area 51

Riddle of the Skies

UFO

Ufo - I casi italiani

NASA's Unexplained Files

Close Encounters

Evidence of the Unexplained 

Encounter: UFO

Chasing UFOs

The Proof Is Out There: Bermuda Triangle Edition

Heaven's Gate: The Cult of Cults

UFO Witness

UFOs Declassified

UFO Europe: The Untold Stories

Hangar 1: The UFO Files

Ummo: La España alienígena