NASA's Unexplained Files
Revenge of the Fireflies (2x8)
Season finale
Air date: May 27, 2015
Something in space is attacking the brains of astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies? Who is responsible for the bizarre glowing spiral in the skies over Norway?
- Premiered: Mar 2012
- Episodes: 55
- Followers: 18
- Ended
- Science Channel
- Thursday at 22
