01. Episode 1
Revelations of a secret Pentagon program as well as eyewitness testimony from fighter pilots forces the world to take UFOs seriously for the first time in years. But Congressional hearings and new task forces find more questions than they do answers.
02. Episode 2
Most people think that UFOs are just machines in the sky. But legendary researcher Jacques Vallée and writer Whitley Strieber believe that the explanation is much stranger and more terrifying... a terror that Strieber has experienced firsthand.
03. Episode 3
Academics and scientists are finally able to study UFOs and alien encounters without risking their careers. Some subjects remain taboo, though - including materials allegedly left by UFOs, and the frightening stories of "experiencers."
04. Episode 4
A number of mavericks believe that unexplained phenomena like remote viewing and near-death experiences have a strange connection to UFOs - and this connection threatens to change everything we thought we knew about human consciousness.