NASA's Unexplained Files - Season 2 - Eps 8: Revenge of the Fireflies
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?
About NASA's Unexplained Files

Title: NASA's Unexplained Files
First Air Date: 2012-03-27
Last Air Date: 2019-05-23
Status: Returning Series
Rating: 7/10 (from 30 votes)
Language: EN
Seasons: 6
Total Episodes: 47
Network: Science
Genres: Documentary, Talk, Mystery
Production Companies: Discovery, Wag TV
Synopsis
Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each episode offers first hand testimony from astronauts, NASA mission footage, plus beautifully rendered CGI to bring to life these voyages that reveal unexplained sightings that have dogged many of NASA’s most famous missions.