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

As the dreams of Didier Mathure, a brilliant space engineer, literally go up in smoke when his rocket explodes on take-off, he is transferred to head GEPAN, a unit specializing in UFOs. He is tasked with coming up with scientific explanations for the UFO sightings that are currently dominating the headlines. This is a nightmare job for a die-hard rationalist like him, and he is determined to find a way out as soon as he can.

The Best Seasons of UFOs

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