Nasa's Unexplained Files Secrets of the Alien Signals
Documentary

S6, E6: When NASA begins an experiment to communicate with dolphins, experts examine if it's a prelude to making alien contact. Will it have dire consequences?

2019 · 42m

Information

Released
2019
Run Time
42 min
Rated
SU
Region of Origin
United States
© 2014 Discovery Inc.

Languages

Original Audio
English