Season 2 Episodes15

Earth: The Secret History

Alien Planets: Cosmic Nightmares

Milky Way: The Monster Inside

Ends of the Solar System: Strange Frontiers

Ice Giants: The Frozen Aliens

Alien Galaxies: The Strange Secrets

Mercury: The Cursed Planet

Comets: Mysteries from the Deep

The Sun: Secrets of Our Star

The Solar System: Alien Origins

Dwarf Planets: Aliens Among Us

Alien Stars: Mystery of the Monsters

Alien Volcanoes: Life in Hell

Alien Moons: The Next Earth

Alien Oceans: Search for Life

Cast1

Michael J. Massimino

Narrator (voice)

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