1X01 - Pilot
1X02 - Deep Throat
1X03 - Squeeze
1X04 - Conduit
1X05 - The Jersey Devil
1X06 - Shadows
1X07 - Ghost in the Machine
1X08 - Ice
1X09 - Space
1X10 - Fallen Angel
1X11 - Eve
1X12 - Fire
1X13 - Beyond the Sea
1X14 - Gender Bender
1X15 - Lazarus
1X16 - Young at Heart
1X17 - E.B.E.
1X18 - Miracle Man
1X19 - Shapes
1X20 - Darkness Falls
1X21 - Tooms
1X22 - Born Again
1X23 - Roland
1X24 - The Erlenmeyer Flask
2X01 - Little Green Man
2X02 - The Host
2X03 - Blood
2X04 - Sleepless
2X05 - Duane Barry
2X06 - Ascension
2X07 - 3
2X08 - One Breath
2X09 - Firewalker
2X10 - Red Museum
2X11 - Excelsis Dei
2X12 - Aubrey
2X13 - Irresistible
2X14 - Die Hand Die Verletzt
2X15 - Fresh Bones
2X16 - Colony
2X17 - End Game
2X18 - Fearful Symmetry
2X19 - Dod Kalm
2X20 - Humbug
2X21 - The Calusari
2X22 - F. Emasculata
2X23 - Soft Light
2X24 - Our Town
2X25 - Anasazi
3X01 - The Blessing Way
3X02 - Paper Clip
3X03 - D.P.O.
3X04 - Clyde Bruckman's Final Repose
3X05 - The List
3X06 - 2Shy
3X07 - The Walk
3X08 - Oubliette
3X09 - Nisei
3X10 - 731
3X11 - Revelations
3X12 - War of the Coprophages
3X13 - Syzygy
3X14 - Grotesque
3X15 - Piper Maru
3X16 - Apocrypha
3X17 - Pusher
3X18 - Teso dos Bichos
3X19 - Hell Money
3X20 - Jose Chung's From Outer Space
3X21 - Avatar
3X22 - Quagmire
3X23 - Wetwired
3X24 - Talitha Cumi
4X01 - Herrenvolk
4X02 - Home
4X03 - Teliko
4X04 - Unruhe
4X05 - The Field Where I Died
4X06 - Sanguinarium
4X07 - Musings of a Cigarette Smoking Man
4X08 - Tunguska
4X09 - Terma
4X10 - Paper Hearts
4X11 - El Mundo Gira
4X12 - Leonard Betts
4X13 - Never Again
4X14 - Memento Mori
4X15 - Kaddish
4X16 - Unrequited
4X17 - Tempus Fugit
4X18 - Max
4X19 - Synchrony
4X20 - Small Potatoes
4X21 - Zero Sum
4X22 - Elegy
4X23 - Demons
4X24 - Gethsemane - Part One
5X01 - Redux I - Part Two
5X02 - Redux II - Part Three
5X03 - The Unusual Suspects
5X04 - Detour
5X05 - The Post-Modern Prometheus
5X06 - Christmas Carol
5X07 - Emily
5X08 - Kitsunegari
5X09 - Schizogeny
5X10 - Chinga
5X11 - Kill Switch
5X12 - Bad Blood
5X13 - Patient X
5X14 - The Red and the Black
5X15 - Travelers
5X16 - Mind's Eye
5X17 - All Souls
5X18 - The Pine Bluff Variante
5X19 - Folie à Deux
5X20 - The End
Filme lançado nos cinemas em 1998. Serve de ligação entre a quinta e sexta temporada.
6X01 - The Beginning
6X02 - Drive
6X03 - Triangle
6X04 - Dreamland
6X05 - Dreamland II
6X06 - How the Ghosts Stole Christmas
6X07 - Terms of Endearment
6X08 - The Rain King
6X09 - S.R. 819
6X10 - Tithonus
6X11 - Two Fathers
6X12 - One Son
6X13 - Agua Mala
6X14 - Monday
6X15 - Arcadia
6X16 - Alpha
6X17 - Trevor
6X18 - Milagro
6X19 - The Unnatural
6X20 - Three of a Kind
6X21 - Field Trip
6X22 - Biogenesis - Part One
7X01 - The Sixth Extinction - Part Two
7X02 - The Sixth Extinction II: Amor Fati - Part Three
7X03 - Hungry
7X04 - Millennium
7X05 - Rush
7X06 - The Goldberg Variantion
7X07 - Orison
7X08 - The Amazing Maleeni
7X09 - Signs and Wonders
7X10 - Sein und Zeti
7X11 - Closure
7X12 - X-Cops
7X13 - First Person Shooter
7X14 - Theef
7X15 - En Ami
7X16 - Chimera
7X17 - All Things
7X18 - Brand X
7X19 - Hollywood A.D.
7X20 - Fight Club
7X21 - Je Souhaite
7X22 - Requiem
8X01 - Within
8X02 - Without
8X03 - Patience
8X04 - Roadrunners
8X05 - Invocation
8X06 - Redrum
8X07 - Via Negativa
8X08 - Surekill
8X09 - Salvage
8X10 - Badlaa
8X11 - The Gift
8X12 - Medusa
8X13 - Per Manum
8X14 - This Is Not Happening
8X15 - Deadalive
8X16 - Three Words
8X17 - Empedocles
8X18 - Vienen
8X19 - Alone
8X20 - Essence
8X21 - Existence
9X01 - Nothing Important Happened Today - Part One
9X02 - Nothing Important Happened Today - Part Two
9X03 - Daemonicus
9X04 - 4-D
9X05 - Lord of the Flies
9X06 - Trust No 1
9X07 - John Doe
9X08 - Hellbound
9X09 - Provenance
9X10 - Providence
9X11 - Audrey Pauley
9X12 - Underneath
9X13 - Improbable
9X14 - Scary Monsters
9X15 - Jump the Shark
9X16 - Williams
9X17 - Release
9X18 - Sunshine Days
9X19/20 - The Truth
Filme lançado nos cinemas em 2008. Se passa anos após o término da nona temporada e mostra a nova fase que Mulder e Scully - agora ex-agentes do FBI - estão vivendo até se depararem com outro caso que necessita de sua ajuda.