The Proof is Out There [Portuguese] S1-S2

Tony Harris

Self - Host

Marc D'Antonio

Self - Astronomer

Marc D'Antonio

Self - Video Effects Designer

Marc D'Antonio

Self - Astronomer & Video Effects Designer

Michael Primeau

Self - Forensic Video Analyst

M.J. Banias

Self - Investigative Journalist

M.J. Banias

Self - Editor: TheDebrief

M.J. Banias

Self - Investigative Journalist & Editor: TheDebrief

Ken Gerhard

Self - Field Researcher

Tim McMillan

Self - Aviation

Tim McMillan

Self - Military Analyst

Tim McMillan

Self - Aviation-Military Analyst

Shea Steingass

Self - Marine Biologist

Mick West

Self - Science Writer

Mick West

Self - Forensic Video Analyst

Mick West

Self - Science Writer & Forensic Video Analyst

Erin McCarthy

Self - Journalist

Erin McCarthy

Self - Editor: Mentalfloss

Erin McCarthy

Self - Journalist & Editor: Mentalfloss

Michio Kaku

Self - Theoretical Physics Professor

Cliff Barackman

Self - Field Researcher

Kathy Moskowitz Strain

Self - Anthropologist

Floyd Hayes

Self - Biologist

Stephanie Schuttler

Self - Wildlife Biologist

Amy Shira Teitel

Self - Author

Amy Shira Teitel

Self - Science Writer

Amy Shira Teitel

Self - Author & Science Writer

Bob Anderson

Self - NASA Geologist

Alexis Brooks

Self - Author

Alexis Brooks

Self - Journalist

Alexis Brooks

Self - Author & Journalist

Matthew Szydagis

Self - Physicist