Aired Saturday 9 May,
3:05pm - 4:05pmon Blaze (Freeview)
What on Earth?
Series 2 Episode 2: Secret of Doomsday MountainSatellites discover American stealth technology deep inside China, and an unidentified cloud swamps America's skies. What are they?
- Category
- Documentary / Science
- Original air date
- 02/02/2016
Cast and crew
