Seasons 1 – 5.
The first movie X-Files: Fight the Future, takes place between seasons 5 and 6.
Season 6.
Season 7 episode 4 titled 'Millennium' serves as a conclusion to the series "Millennium". If you want to watch it, do so before episode 4.
Season 8.
Season 9 Episode 15 titled 'Jump the Shark' serves as an end to the series "The Lone Gunmen". If you want to watch it, do so before episode 15.
The second movie X-Files: I Want to Believe, leaves the characters in the state we find them in the next season
Seasons 10 - 11
Thanks to Robert Frost for the viewing order. https://qr.ae/pGu6Gj
