7 Episodes

What's Hot Today

Season 5

Episodes

All »
  • 7 episodes
    7 episodes
    • s5e7Strangest Alien Worlds
      February 7, 2017
    • s5e6The Dark Matter Enigma
      January 31, 2017
    • s5e5The Universe's Deadliest
      January 16, 2017
    • s5e4Stars That Kill
      January 10, 2017
    • s5e3Life & Death on the Red Planet
      December 13, 2016
    • s5e2Secret History of Pluto
      December 6, 2016
    • s5e1Mystery of Planet 9
      November 29, 2016