Watch NASAs Unexplained Files Season 4 Episode 1 online free

Christopher Orwoll
Self - Director, New Mexico Museum of Space History

Erik Dellums
Narrator

Bill Birnes
Self - Author, 'The Day After Roswell'

James E. Oberg
Self - Space Historian

Marc D'Antonio
Self - Chief Image Analyst, MUFON

Nick Pope
Self - Defense Analyst

Seth Shostak
Self - Senior Astronomer, SETI Institute

Matt Genge
Self - Planetary Scientist

Amy Shira Teitel
Self - Space Historian and Author

Leroy Chiao
Self - NASA Shuttle Astronaut

Peter H. Schultz
Self - Planetary Geologist

Stanton Friedman
Self - Nuclear Physicist

Kevin R. Grazier
Self - Planetary Scientist

Hakeem Oluseyi
Self - Astrophysicist

Laurence Garvie
Self - Meteorite Expert

Pascal Lee
Self - Planetary Scientist

Mike Capps
Self - Technology Theorist

Kevin H. Baines
Self - Planetary Scientist