Aired Monday April 15,
1:00am - 2:00amon Quest +1
NASA's Unexplained Files
Series 4 Episode 7: Mystery of the Invisible PlanetA probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.
- Category
- Documentary / Paranormal / Science
- Original air date
- 2016-10-11
Cast and crew
