For the first time on television a rigorous, scientific investigation into the fact, fiction, and hoax of unidentified flying objects. With vivid film and accounts from several eyewitnesses including astronauts, NOVA sifts the evidence for and against the existence of UFOs.
Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.