How the Universe Works

Self - Astrophysicist

tv

How the Universe Works

tv

The UnBelievable with Dan Aykroyd

Self - Astrophysicist/Author

tv

For All Humankind

Self

movie

Bill Nye Saves the World

Self - Panelist

tv

Mysteries Unearthed with Danny Trejo

Self - Astrophysicist/Author

tv

Secrets Declassified with David Duchovny

Self - Physicist

tv

Life After People: The Series

Self - Astrophysicist/Author

tv

Strip the Cosmos

tv

Alien Encounters

Self - Astrophysicist

tv

Einstein and Hawking: Masters of Our Universe

Self - Astrophysicist

tv

Hazardous History with Henry Winkler

Self - Astrophysicist/Author

tv

The Proof Is Out There: Alien Edition

Self - Physicist

tv

How to Survive the End of the World

Self

tv

Deadly Dilemmas

Himself - Scientist

tv

NASA Mars Landing

Himself

tv

UFOs: Declassified LIVE

Self

movie

Fatal Dive to the Titanic: Truth and Lies

Self

movie