Ranking the Best Seasons of 'The X-Files'

This list features the best seasons of The X-Files, listed from best to worst with pictures of season posters when available. Fans may debate which season of The X-Files is the best (and arguments do get heated), but each installment of the science-fiction drama series features memorable episodes. Some X-Files seasons focus on finding proof that alien life exists and other good seasons explore Mulder and Scully's personal relationship. The newest seasons bring the audience back to familiar faces in unexpectedly new situations.

This list of The X-Files seasons has been voted on by fans from all over the world, helping to decide once and for all which collection of episodes are the best. Season One found Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) investigating a UFO crash site and later seasons further dug into the motives of alien life forms, the government, and weird creatures from tall tales.

Which X-Files season is the best? Help us decide by giving your favorite The X-Files season a vote up.