NASA's Unexplained Files - Season 3 - Eps 1: Pluto Under Pressure
Lost tapes reveal that Apollo astronauts heard unexplained transmissions on the far side of the moon, an amateur astronomer spots a strange disturbance in Martian atmosphere & an unidentified object in Earth orbit starts stalking Russian spacecraft.
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.