E4 • Pluto's Evil Twin

E1 • Saturn's Moon Monsters

NASA discovers something strange on Saturn's moon that might be aliens.

44m • 2020

NASA discovers something strange on Saturn's moon that might be aliens.

E2 • Aliens vs. Stalin at Area 51

An Area 51 insider claims the Roswell incident was a Soviet conspiracy.

44m • 2020

An Area 51 insider claims the Roswell incident was a Soviet conspiracy.

E3 • The Black Hole Next Door

Astronomers investigate how much danger a rogue black hole poses to Earth.

44m • 2020

Astronomers investigate how much danger a rogue black hole poses to Earth.

E4 • Pluto's Evil Twin

Experts investigate if a mysterious object is an alien spacecraft.

44m • 2020

Experts investigate if a mysterious object is an alien spacecraft.

E5 • Aliens in the Amazon

Experts ask why Neil Armstrong went on a quest to find a legendary library.

44m • 2020

Experts ask why Neil Armstrong went on a quest to find a legendary library.

E6 • Secrets of the Alien Signals

Experts ask if an experiment with dolphins is a prelude to alien contact.

43m • 2020

Experts ask if an experiment with dolphins is a prelude to alien contact.

E7 • Planet of the Metal Aliens

Experts investigate if a nearby exoplanet could be inhabited by aliens.

43m • 2020

Experts investigate if a nearby exoplanet could be inhabited by aliens.

E8 • Did Aliens Nuke Mars?

Experts consider if an alien Armageddon transformed Mars into a wasteland.

44m • 2020

Experts consider if an alien Armageddon transformed Mars into a wasteland.