Season 2 Episode
- Season 2 Earth: The Secret History
- Season 2 Alien Planets: Cosmic Nightmares
- Season 2 Milky Way: The Monster Inside
- Season 2 Ends of the Solar System: Strange Frontiers
- Season 2 Ice Giants: The Frozen Aliens
- Season 2 Alien Galaxies: The Strange Secrets
- Season 2 Mercury: The Cursed Planet
- Season 2 Comets: Mysteries from the Deep
- Season 2 The Sun: Secrets of Our Star
- Season 2 The Solar System: Alien Origins
- Season 2 Dwarf Planets: Aliens Among Us
- Season 2 Alien Stars: Mystery of the Monsters
- Season 2 Alien Volcanoes: Life in Hell
- Season 2 Alien Moons: The Next Earth
- Season 2 Alien Oceans: Search for Life
The Planets and Beyond - Season 2 Episode 1 Earth: The Secret History
8.20 43 minutes Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet earth, and explores whether alien earths exist elsewhere in the universe.
