- Original release
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Platform release date
- Previous episode S05E01 - Most Amazing Discoveries
- Number S05E02
- Country United States
- Original language English
- Genre Documentary
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External links
TheTVDB page
IMDB page
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Last update
10 décembre 2025 - 00:15
on 11 databases
Video : Mystery of Planet 9
Examining a ninth planet that may be on the outer edge of the solar system. Scientists speculate that it could be 10 times the size of Earth and have moons capable of hosting life.
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S05E03 - Black Holes: The Secret Origin
