JustWatch
S05 Episode 2
Mystery of Planet 9
Scientists have discovered a mysterious ninth planet ten times the size of Earth on the very edge of the solar system. This strange world could have moons with extraterrestrial life.
42 mins · Tue, 29 Nov 2016
S05 Episode 3
Black Holes: The Secret Origin
Scientists search for evidence that could help explain how supermassive black holes grow so big. Neither dark matter nor cannibalism can fully explain these beasts, but the new science may finally provide an answer.
42 mins · Tue, 6 Dec 2016
S05 Episode 4
Secret History of Pluto
The first close-up images of Pluto reveal unimaginable secrets. Scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface and whether this underground ocean could harbour life.
41 mins · Tue, 3 Jan 2017
S05 Episode 5
Stars That Kill
Explores the real-life Death Stars in the cosmos, which could snuff out Earth without much effort, and the science behind the destructive power of six of the deadliest stars.
41 mins · Tue, 10 Jan 2017
S05 Episode 6
The Universe's Deadliest
The universe is a dangerous place, and an exploration of the deadliest spots in the cosmos reveals that between Earth and the edge of the universe, there are a million ways to die. A crash test dummy is on a mission to discover the worst of them.
42 mins · Tue, 17 Jan 2017
S05 Episode 7
Life & Death on the Red Planet
Scientists explore the evolution of life on Mars before a series of cataclysmic events transformed the planet from a watery world to a hostile one. They believe life will find a way to continue despite the setbacks.
42 mins · Tue, 24 Jan 2017
S05 Episode 8
The Dark Matter Enigma
Dark matter is one of the greatest mysteries of the universe facing scientists today. Exploring whether it could be the cause of supermassive black holes and mass extinctions.
42 mins · Fri, 27 Jan 2017
S05 Episode 9
Strangest Alien Worlds
Discoveries of new planets have revealed countless worlds much stranger than Earth. Some of these strange worlds don't have stars and others are made out of diamonds.
42 mins · Tue, 7 Feb 2017