>>131421 >>131422 >>131423 >>131424 >>131426 September 2, 2023 8:55 AM EDT Reel America: Extraterrestrial Life - 1975. This 1975 film from NASA included experts, including astronomer Carl Sagan, considering the implications of the possible existence of intelligent life beyond Earth. Reel America is an American History TV series featuring 20th century archival films produced mostly by government agencies. American History/BookTV https://www.c-span.org/video/?530040-1/extraterrestrial-life-1975