S05E02
8.0/ 1029 Nov 201642 minMystery of Planet 9
How the Universe Works – Season 5
Scientists have discovered a mysterious ninth planet on the very edge of our solar system. Ten times the size of Earth, this strange world could have moons with extraterrestrial life.
Download Subtitles
Similar TV Shows
78%
Our Universe
22 Nov 2022
81%
Earth at Night in Colour
04 Dec 2020
79%
Nature
10 Oct 1982
83%
Prehistoric Planet
23 May 2022
74%
Natural World
30 Oct 1983
80%
Tiny World
02 Oct 2020
86%
Planet Earth
05 Mar 2006
81%
The Life of Birds
21 Oct 1998
85%
Our Planet
05 Apr 2019
85%
Planet Earth III
22 Oct 2023
85%
Seven Worlds, One Planet
27 Oct 2019
76%
Welcome to Earth
08 Dec 2021
73%
A Real Bug's Life
24 Jan 2024
80%
Life on Our Planet
25 Oct 2023
84%
The Blue Planet
12 Sept 2001
84%
Life
11 Oct 2009
89%
Rafa
29 May 2026
78%
History's Greatest Mysteries
14 Nov 2020
86%
Blue Planet II
29 Oct 2017
78%
Into the Universe with Stephen Hawking
25 Apr 2010