Wow Signal (2017) is a Documentary film that follows on a late summer evening in 1977, Ohio radio astronomers discovered a strong, interstellar signal that is believed by many to be the best evidence of communication from an extraterrestrial civilization. Currently, you can watch Wow Signal on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 6.2 out of 10 from 7 votes. Fans of documentary movies may also want to explore similar titles below.