Sezon 4
Bölümler
1 Pluto's Stranger Things 30 Ağu 2016 
2 Rise of the Planet Killer 6 Eyl 2016 
3 A President's Close Encounter 13 Eyl 2016 
4 The Earth Next Door 20 Eyl 2016 
5 Curse of the Full Moon 27 Eyl 2016 
6 Did Earth Have Two Moons? 4 Eki 2016 
7 Mystery of the Invisible Planet 11 Eki 2016 
8 Mars's Deepest Secret 18 Eki 2016