Season 2
Episodes
1 Earth: The Secret History Mar 20, 2018 
2 Alien Planets: Cosmic Nightmares Mar 27, 2018 
3 Milky Way: The Monster Inside Apr 3, 2018 
4 Ends of the Solar System: Strange Frontiers Apr 10, 2018 
5 Ice Giants: The Frozen Aliens Apr 17, 2018 
6 Alien Galaxies: The Strange Secrets Jul 24, 2018 
7 Mercury: The Cursed Planet Jul 31, 2018 
8 Comets: Mysteries from the Deep Aug 7, 2018 
9 The Sun: Secrets of Our Star Aug 14, 2018 
10 The Solar System: Alien Origins Aug 21, 2018 
11 Dwarf Planets: Aliens Among Us Aug 28, 2018 
12 Alien Stars: Mystery of the Monsters Sep 4, 2018 
13 Alien Volcanoes: Life in Hell Sep 11, 2018 
14 Alien Moons: The Next Earth Sep 18, 2018 
15 Alien Oceans: Search for Life Sep 25, 2018