The BEST seasons of UFO (2021)

Every season of UFO (2021) ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of UFO (2021)!

A four-part docu-series exploring our fascination with unidentified flying objects, and what clandestine influence the American government, lucrative private companies and the military may have in shielding the truth behind extraterrestrial phenomena to further their own agendas.