NASA's Unexplained Files

Secret Aliens

Directed by Timothy Clarkson, Ian Levison
TV-PG
S5 • E4    Jan 12, 2018
7.4
An astronomer records an unusual signal from a distant star. FBI agents find classified documents at the home of a NASA scientist. When scientists discover strange DNA in the octopus, they examine if their origins could be alien.

Where to Watch Secret Aliens

Cast of Secret Aliens

  • Erik DellumsSelf - Narrator
  • David CrimminsSelf - Eyewitness
  • Nick PopeSelf - Defense Analyst
  • Antonio ParisSelf - Astronomer
  • Christopher OrwollSelf - Aerospace Historian
  • Amy Shira TeitelSelf - Space Historian and Author
  • Del WilberSelf - L. A. Times Reporter
  • Mike BakerSelf - Former CIA Covert Operations Officer
  • David AguilarSelf - Author & Historian
  • Sara SeagerSelf - Planetary Scientist
  • James E. ObergSelf - Space Historian
  • Jerry LinengerSelf - NASA Astronaut
  • Anatoly ZakSelf - Editor, Russian Space Web
  • Jonathan ClarkSelf - Former NASA Flight Surgeon
  • Timothy ClarksonDirector
  • Ian LevisonDirector
  • Fabio CerveiraProducer

 

  •   
  •   
  •   
  •   
  •   
  •   
  •   

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices