Television and Movies
“The X-Files”
Season 1 (1993-94)
Season 2 (1994-95)
Season 3 (1995-96)
Season 4 (1996-97)
Season 5 (1997-98)
“Fight the Future” (1998)
Season 6 (1998-99)
Season 7 (1999-2000)
Season 8 (2000-01)
Season 9 (2001-02)
“I Want to Believe” (2008)
2018 miniseries
“Millennium”
Season 1 (1996-97)
Season 2 (1997-98)
Season 3 (1998-99)
“The Lone Gunmen”
Season 1 (2001)
Also of interest
“Harsh Realm” (1999-2000)
Books
Novels
“Goblins” by Charles Grant (1994)
“Whirlwind” by Charles Grant (1995)
“Ground Zero” by Kevin J. Anderson (1995)
“Ruins” by Kevin J. Anderson (1996)
“Antibodies” by Kevin J. Anderson (1997)
“Skin” by Ben Mezrich (1999)
“Origins: Agent of Chaos” by Kami Garcia (2017)
“Origins: Devil’s Advocate” by Jonathan Maberry (2017)
Short-story collections
“Trust No One” (2015)
“The Truth is Out There” (2016)
“Secret Agendas” (2016)
Comic Books
Topps Comics
Issues 1-12 (1995)
Issues 13-24 (1996)
Issues 25-36 (1997)
Issues 37-41 (1998)
Annuals, digests and special issues (1995-97)
Dark Horse Comics
“Lone Gunmen” one-shot (2001)
Wildstorm Comics
Issues 0-6 (2008-09)
Wildstorm/IDW Comics
“30 Days of Night” crossover (2010-11)
IDW Comics
Season 10 Issues 1-9 (2013-14)
Season 10 Issues 10-17 (2014)
Season 10 Issues 18-25 (2014-15)
“Conspiracy” (2014)
“Year Zero” (2014)
Season 11 Issues 1-8 (2015-16)
“Millennium” (2015)
“Deviations” (2016)
Ongoing series Issues 1-9 (2016)
“Origins” (2016)
“Deviations” (2017)
Ongoing series Issues 10-17 (2017)
“Origins II: Dog Days of Summer” (2017)
“JFK Disclosure” (2017)
“Case Files” (2018)
All posts
Lists and rankings
Elsewhere
Websites
Eat the Corn — These analyses of “X-Files” episodes, comics, etc., are much more informative than you’d get from Deep Throat or Mr. X. Plus, the site offers an archive of rare interviews with the cast and crew.