6 Season
47 Episode
NASA's Unexplained Files - Season 6 Episode 6 Secrets of the Alien Signals
When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact. But some fear that such a discovery could have apocalyptic consequences.
- Year: 2019
- Country: United States of America, United Kingdom, India
- Genre: Documentary, Talk, Mystery
- Studio: Science
- Keyword: nasa, ufo, conspiracy, conspiracy theory, mysterious events, unexplainable events, observational documentary, space vessel, space mystery, strange event
- Director:
- Cast: