Date:

Paranatural

Date:

UFOs: Investigating the Unknown

Date:

Heaven's Gate: The Cult of Cults

Date:

Unidentified: Inside America's UFO Investigation

Date:

NASA's Unexplained Files

Date:

Close Encounters

Date:

UFO Witness

Date:

Craig Charles: UFO Conspiracies

Date:

The Proof Is Out There

Date:

Chasing UFOs

Date:

UFO

Date:

UFO-SPOT

Date:

UFO Europe: The Untold Stories

Date:

Encounters

Date:

UFOs Declassified

Date:

Hangar 1: The UFO Files

Date:

Alien Encounters: Fact or Fiction

Date:

Evidence of the Unexplained 

Date:

In Search of Aliens

Date:

The Secret of Skinwalker Ranch