S05 Episode 2
Mystery of Planet 9
42 mins · Tue, 29 Nov 2016
S05 Episode 3
Black Holes: The Secret Origin
42 mins · Tue, 6 Dec 2016
S05 Episode 4
Secret History of Pluto
41 mins · Tue, 3 Jan 2017
S05 Episode 5
Stars That Kill
41 mins · Tue, 10 Jan 2017
S05 Episode 6
The Universe's Deadliest
42 mins · Tue, 17 Jan 2017
S05 Episode 7
Life & Death on the Red Planet
42 mins · Tue, 24 Jan 2017
S05 Episode 8
The Dark Matter Enigma
42 mins · Fri, 27 Jan 2017
S05 Episode 9
Strangest Alien Worlds
42 mins · Tue, 7 Feb 2017