Encounters

UFO Europe: The Untold Stories

NASA's Unexplained Files

Close Encounters

Unidentified: Inside America's UFO Investigation

Evidence of the Unexplained 

UFO

Encounter: UFO

Hangar 1: The UFO Files

Beyond: UFOS and the Unknown

Top Secret UFO Projects Declassified

UFOs Declassified

Investigation Alien

UFO

Storming Area 51

UFOs: Investigating the Unknown

The Secret of Skinwalker Ranch

In Search of Aliens

Ummo: La España alienígena

Raël: The Alien Prophet