• Writer: Vince Gilligan
• Director: Kim Manners
• Original Broadcast: 11/21/99
• Guest Cast:
  • Hungry Guy (Chasen Hampton)
  • Rob Roberts (Chad E. Donella)
  • Derwood Spinks (Mark Pellegrino)
  • Mr. Rice (Bill Lee Brown)
  • Lucy (Kerry Zook)
  • Steve Kiziak (Steve Kiziak)
  • Dr. Mindy Rinehart (Judith Hoag)
  • Motivational Speaker (Kevin Porter)
  • Sylvia Jassy (Lois Foraker)
  • Woman at O.A. (Susan Slome)

Mulder and Scully investigate a number of disturbing murders that lead to the discovery of a "monster" who commits murder to feed a gruesome habit.

• Writer: Jeffrey Bell
• Director: Thomas J. Wright
• Original Broadcast: 12/12/99
• Guest Cast:
  • Henry Weems (Willie Garson)
  • Mr. Jank (Marshall Manesh)
  • Mr. Ng (Dom Magwili)
  • Mr. Haas (Nicholas Worth)
  • Dominic (Tony Longo)
  • Joe Cutrona (Ramy Zada)
  • Maggie Lupone (Alyson Reed)
  • Richie Lupone (Shia LaBeouf)
  • Maurice Albert (Ernie Lee Banks)
  • Paramedic (Bobby Moynahan)
  • Billy (Chip Fogelman)
  • Megan MacLean (Dominique DiPrima)

Mulder and Scully investigate a man upon whom fortune has smiled a few too many times, and witness first hand the theory of cause and effect and the consequences that occur when coincidence, chance and luck collide.

• Writers: Chris Carter
• Director: Kim Manners
• Original Broadcast: 11/7/99
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Agent Diana Fowley (Mimi Rogers)
  • Primitive African Man (Conrad Roberts)
  • Amina Ngebe (Jo Nell Kennedy)
  • Dr. Harriman (Warren Sweeney)
  • Dr. Barnes (Michael Ensign)
  • Michael Kritschgau (John Finn)
  • ICU nurse (Mari Weiss)
  • Barnes' driver (Anthony Okungbowa)
  • Driver (Abdoulaye N'Gom)

Mulder is brought to the brink of death and Scully to what may be the source of all life on Earth - a source that appears undeniably alien. Mulder is suffering from a mysterious illness, locked away in a neuro-psychiatric ward. With his physical and mental health rapidly deteriorating, Scully frantically tries to discover the cause of his illness. Part two of three.

• Writers: David Duchovny & Chris Carter
• Director: Michael Watkins
• Original Broadcast: 11/14/99
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Cigarette-Smoking Man (William B. Davis)
  • Alex Krycek (Nick Lea)
  • Agent Diana Fowley (Mimi Rogers)
  • Deep Throat (Jerry Hardin)
  • Special Agent Flagler (Martin Grey)
  • Mrs. Mulder (Rebecca Toolan)
  • Albert Hosteen (Floyd "Red Crow" Westerman)
  • Michael Kritschgau (John Finn)
  • Dr. Geoff Harriman (Warren Sweeney)
  • Dream Boy (Andrew Cavarno & Steven Cavarno)
  • Skinner's Secretary (Arlene Pileggi)
  • Samantha Mulder (Megan Leitch)
  • Bearded Man (Fritz Greve)
  • Project Doctor (Brian George)
  • Second Doctor (David Brisbin)
  • Paramedic (Anthony Anselmi)
  • Toddler (Henry Schwartz)

As Scully continues to search for a way to save her ailing partner, a catatonic Mulder mysteriously disappears from the hospital, and Cigarette-Smoking Man's involvement in Mulder's ordeal intensifies. Part three of three.

• Writer: Vince Gilligan & Frank Spotnitz
• Director: Thomas J. Wright
• Original Broadcast: 11/28/99
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Frank Black (Lance Henriksen)
  • N.D. Man (Holmes Osborne)
  • Deputy (Colby French)
  • Funeral Director (William Forward)
  • Jordan Black (Brittany Tiplady)
  • Himself (Dick Clark)
  • Widow (Marilyn McIntyre)
  • Female Coroner (Mone' Walton)
  • Nurse (Octavia L. Spencer)
  • First Agent (Stephen Ramsey)
  • Second Agent (Romy Walthall)
  • Young Cop (Eulan Middlebrooks)
  • Sheriff (Michael Dempsey)

Mulder and Scully enlist the help of former FBI agent Frank Black to unravel a mystery of apocalyptic proportions. The agents race against time to stop members of the Millennium Group who hold the ability to summon the dead and plan to use this power to end the world as the millennium draws to a close.

• Writer: David Amann
• Director: Rob Lieberman
• Original Broadcast: 12/5/99
• Guest Cast:
  • Tony Reed (Rodney Scott)
  • Max Harden (Scott Cooper)
  • Chastity Raines (Nicki Aycox)
  • Mrs. Reed (Ann Dowd)
  • Sheriff Harden (Tom Bower)
  • Mr. Babbit (David Wells)
  • Deputy Foster (Les Lannom)
  • Deputy (Christopher Wynne)
  • Nurse (Rachel Winfree)
  • Chuck Burks (Bill Dow)

After an innocent teen is accused of a gruesome and unexplained murder, Mulder and Scully's investigation leads to the discovery of supernatural forces at work.

• Writer: Chip Johannessen
• Director: Rob Bowman (& Kim Manners)
• Original Broadcast: 1/9/00
• Guest Cast:
  • Orison (Scott Wilson)
  • Donnie Pfaster (Nick Chinlund)
  • U.S. Marshall Daddo (Steve Rankin)
  • Brigham (Emilio Rivera)
  • Lady in Red (Lisa Kushell)
  • Guard (Rick Cramer)
  • Blueberry (Tara Buck)
  • Waitress (Irene Muzzy)
  • U.S. Marshall (Eric Buker)

A series of prison breaks brings Mulder and Scully face to face with Scully's former kidnapper, Donnie Pfaster, as Scully is forced to question her faith and confront the clash of morality and religion.

• Writers: Frank Spotnitz, Vince Gilligan & John Shiban
• Director: Tom Wright
• Original Broadcast: 1/16/00
• Guest Cast:
  • The Great Maleeni/Albert Pinchbeck (Ricky Jay)
  • Dude/Billy LaBonge (Jonathan Levit)
  • Cissy Alvarez (Robert LaSardo)
  • Bullethead (Jim Maniaci)
  • Holding Cell Officer (Rick Marzan)
  • Bank Officer (Mark Chaet)
  • Bullethead (Dennis Keiffer)
  • Uniform Cop (Dan Rice)
  • Female Employee (Sherri Howard)
  • Young Boss (J. David)
  • Courier Guard (Steven Barr)
  • Driver (Adam Vernier)

While agents Mulder and Scully investigate the gruesome and unexplained death of a magician, they are drawn into the world of magic and illusion and learn that, at first glance, nothing is as it appears to be.

• Writer: Jeffrey Bell
• Director: Kim Manners
• Original Broadcast: 1/23/00
• Guest Cast:
  • Jared Chirp (Eric Nenninger)
  • Reverend Samuel Mackey (Randy Oglesby)
  • Reverend Enoch O'Connor (Michael Childers)
  • Iris Finster (Beth Grant)
  • Gracie (Tracy Middendorf)
  • Middle-Aged Woman (Phyllis Franklin)
  • Deputy (Dan Manning)
  • EMT (Stevie Johnson)
  • Elderly Woman (Elyse Donalson)
  • Holy Spirit Man #1 (Philip Lenkowsky)
  • Holy Spirit Man #2 (Clement E. Blake)
  • Holy Spirit Woman (Donna May)

Investigating a gruesome snakebite death leads Mulder and Scully to a reptilian religious group in the Deep South.

• Writers: Chris Carter & Frank Spotnitz
• Director: Mike Watkins
• Original Broadcast: 2/6/00
• Guest Cast:
  • Assistant Director Skinner (Mitch Pileggi)
  • Amber Lynn LaPierre (Megan Corletto)
  • Billie LaPierre (Shareen Mitchell)
  • Bud LaPierre (Mark Rolston)
  • Harry Bring, Esq. (Spencer Garrett)
  • Mrs. Mulder (Rebecca Toolan)
  • Agent Flager (Martin Grey)
  • Guard (Marie Chambers)
  • Kathy Lee Tencate (Kim Darby)
  • World-Weary Dad (John Harnagel)
  • Paunchy Man (Randall Bosley)
  • Dean Tencate (Dylan Stjepovic)
  • News Anchor #1 (Nancy Tiballi)
  • News Anchor #2 (John Bisom)
  • Young Mulder (Nick Lashaway)
  • Young Samantha (Ashlynn Rose)

During the course of Mulder and Scully's investigation of the disappearance of a child, Mulder discovers information that shakes his beliefs and reopens the case of his sister's abduction 25 years earlier. Part one of two.

• Writers: Chris Carter & Frank Spotnitz
• Director: Kim Manners
• Original Broadcast: 2/13/00
• Guest Cast:
  • Assistant Director Skinner (Mitch Pileggi)
  • Cigarette-Smoking Man (William B. Davis)
  • Detective Tariq Kadri (Sal Landi)
  • Ed Truelove/Paunchy Man (Randall Bosley)
  • Deputy (Ed Beechner)
  • Harold Piller (Anthony Heald)
  • Agent Lewis Schoniger (Stanley Anderson)
  • Mrs. Mulder (Rebecca Toolan)
  • Base Cop (Christopher Wynne)
  • Arbutus Ray (Patience Cleveland)
  • Hospital Administrator (Lillian Adams)
  • Ghostly Boy (Nicholas Stratton)
  • Young Samantha Mulder (Mimi Paley)
  • Detective #1 (Fort Atkinson)
  • Detective #2 (Jeff Xander)
  • Detective #3 (Norman Smith)
  • Amber Lynn LaPierre (Megan Corletto)

While Mulder and Scully continue to investigate the mysterious disappearance of a young girl, Mulder confronts the demons from his past and continues to search for clues to his sister Samantha's abduction. The search culminates in a race against time to find the long-sought-after answers to her fate. Part two of two.

• Writer: Vince Gilligan
• Director: Michael Watkins
• Original Broadcast: 2/20/99
• Guest Cast:
  • Deputy Keith Wetzel (Judson Mills)
  • Mexican Lady/Mrs. Guerrero (Perla Walter)
  • Sergeant Paula Guthrie (Dee Freeman)
  • Redhead Deputy (Michael Maher)
  • Deputy Juan Molina/Spanish Speaking Deputy (Lombardo Boyar)
  • Sketch Artist/Ricky (Solomon Eversol)
  • Steve (J.W. Smith)
  • Edy (Curtis C.)
  • Chantara Gomez (Maria Celedonio)
  • Crackhead (Frankie Ray)
  • Coroner's Assistant (Tara Karsian)
  • Cameraman (Daniel Emmett)
  • Soundman (John Michael Vaughn)
  • Sheriff #1 (Cheryl Comstock)
  • Sheriff #2 (Ron Gilbert)
  • Sheriff #3 (Diane Harris)
  • Sheriff #4 (Boris Nikolof)
  • Sheriff #5 (Scott Arger)
  • Sheriff #6 (Kevin Beggs)
  • Sheriff #7 (Esther Myare)
  • Sheriff #8 (Steve Sciacca)
  • Sheriff #9 (Mary Campbell)

Mulder and Scully are followed documentary-style by a Cops camera crew throughout the course of their investigation.

• Writers: William Gibson & Tom Maddox
• Director: Chris Carter
• Original Broadcast: 2/27/00
• Guest Cast:
  • Langly (Dean Haglund)
  • Byers (Bruce Harwood)
  • Frohike (Tom Braidwood)
  • Moxie (Ryan Todd)
  • Lo-Fat (Michael Ray Bower)
  • Retro (Billy Ray Gallion)
  • Ivan Martinez (Jamie Marsh)
  • Phoebe (Constance Zimmer)
  • Security Guard (John Marrott)
  • Detective Lacoeur (James Geralden)
  • Darryl Mushashi (Christopher Ng)
  • Jade Blue Cockburn/Maitreya (Krista Allen)

Agents Mulder and Scully investigate a murder inside the high-tech world of a virtual reality game. As the stakes of the virtual game are raised, Mulder and Scully must battle with a deadly digital character to save their lives.

• Writer: Vince Gilligan, John Shiban & Frank Spotnitz
• Director: Kim Manners
• Original Broadcast: 3/12/00
• Guest Cast:
  • Dr. Robert Wieder (James Morrison)
  • Nan Wieder (Kate McNeil)
  • Lucy Wieder (Cara Jedell)
  • Dr. Irving Thalbro (Tom Dahlgren)
  • Landlady (Sage Allen)
  • Mr. Peattie (Billy Drago)
  • Records Clerk (Matthew Sutherland)
  • Proprietor (Pamela Gordon)
  • Med Student (Dylan Kussman)
  • Radiology Tech (Aaron Braxton)
  • Security Guard (Michael Sidney)
  • Reporter #1 (Leah Sanders)
  • Reporter #2 (Mark Thompson)

Mulder and Scully confront the world of voodoo and hexcraft while investigating a string of gruesome murders tied to the occult.

• Writer: William B. Davis
• Director: Rob Bowman
• Original Broadcast: 3/19/00
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Cigarette-Smoking Man (William B. Davis)
  • Byers (Bruce Harwood)
  • Langly (Dean Haglund)
  • Frohike (Tom Braidwood)
  • Cameron McPeck (Michael Canavan)
  • Irene McPeck (Jacqueline Schultz)
  • Jason McPeck (Cory Parravano)
  • Guard (Thomas Roe)
  • Marjorie Butters (Louise Latham)
  • Apartment Manager (Tom Bailey)
  • Scientist/Cobra (Timothy Landfield)
  • Black-Haired Man (Michael Shamus Wiles)

Vowing to atone for his many nefarious deeds, Cigarette-Smoking Man offers a skeptical Agent Scully a most enticing gift. He offers to show her the cure for cancer if she travels with him -- and hides her trip from Mulder.

• Writer: David Amann
• Director: Cliff Bole
• Original Broadcast: 4/2/00
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Michelle Crittendon (Ashley Edner)
  • Martha Crittendon (Wendy Schaal)
  • Ellen Adderly (Michelle Joyner)
  • Sheriff Phil Adderly (John Mese)
  • Jenny Gurgich (Gina Mastrogiacomo)
  • Howard Crittendon (Charles Hoyes)
  • Dr. Blankenship (F. William Parker)

Fear, passion and small town jealousies collide in a mysterious string of murders committed by an unknown force, bringing Mulder to Vermont to investigate. Scully, meanwhile, must tough it out on an uncomfortable stakeout.

• Writer: Gillian Anderson
• Director: Gillian Anderson
• Original Broadcast: 4/9/00
• Guest Cast:
  • Dr. Daniel Waterston (Nicolas Surovy)
  • Dr. Paul Kopeikan (Stephen Hornyak)
  • Maggie Waterston (Stacy Haiduk)
  • Nurse #2 (Elayn Taylor)
  • Red-Headed Woman/Colleen Azar (Colleen Flynn)
  • Carol (Carol Banker)
  • Healer (Scott Vance)
  • Woman with Hat/Nurse #1 (Victoria Faerber)
  • Nurse #3 (Cheryl White)

A seemingly random series of coincidences ignites a journey of self-discovery for Scully as she re-examines a relationship from her past.

• Writer: David Duchovny
• Director: David Duchovny
• Original Broadcast: 4/30/00
• Guest Cast:
  • Assistant Director Walter Skinner (Mitch Pileggi)
  • Himself (Garry Shandling)
  • Herself (Téa Leoni)
  • Cigarette Smoking Pointiff (Tony Amendola)
  • Himself (Wayne Federman)
  • Cardinal Augustine O'Fallon (Harris Yulin)
  • Micah Hoffman (Paul Lieber)
  • Chuck Burks (Bill Dow)
  • Sugar Bear (Barry K. Thomas)
  • Director (Bill Millar)
  • Zombie (Tim Roe)
  • Tina (Craft Service Woman) (Tina M. Ameduri)
  • Chris Carter (Chris Carter)
  • Minnie Driver (Minnie Driver)
  • David Alan Grier (David Alan Grier)

A Hollywood producer follows Mulder and Scully during the course of a murder investigation as research for an upcoming movie.

• Writers: Steven Maeda & Greg Walker
• Director: Kim Manners
• Original Broadcast: 4/16/00
• Guest Cast:
  • Assistant Director Skinner (Mitch Pileggi)
  • Dr. Peter Voss (Dennis Boutsikaris)
  • Ashman/Daryl Weaver (Tobin Bell)
  • Daniel Brimley (Richard Cox)
  • Lead Counsel (Arthur Rosenberg)
  • Joan Scobie (Pat Destro)
  • Dr. Jim Scobie (Rick Deats)
  • Security Man (David Sawyer)
  • Anne Voss (Shannon O'Hurley)
  • Manager (Matthew Wilson)

While investigating the gruesome death of a tobacco company executive, Mulder and Scully uncover a dangerous conspiracy that brings Mulder to the brink of death.

• Writer: Chris Carter
• Director: Paul Shapiro
• Original Broadcast: 5/7/00
• Guest Cast:
  • Betty Templeton/Lulu Pfeiffer (Kathy Griffin)
  • Bert Zupanic (Randall "Tex" Cobb)
  • Argyle Saperstein (Art Evans)
  • Angry Bob (Jack McGee)
  • 1st Missionary (Cory Blevins)
  • 2nd Missionary (John O'Brien)
  • Woman Who Looks Like Scully (Arlene Pileggi)
  • Man Who Looks Like Mulder (Steve Kiziak)
  • Koko's Manager (Brian Chenoweth)
  • Customer (Nicole Bush)
  • 2nd Customer (Paul Hansen Kim)
  • 3rd Customer (John Mack)
  • 2nd Koko's Manager (Jim Hanna)
  • Bartender (Gene Lebell)
  • Trusty (Christopher Michael)
  • Opponent (Rob Van Dam)

Two feuding sisters whose proximity to each other causes calamitous results. Mulder and Scully investigate bizarre disturbances in a previously quiet town with all signs pointing to the sisters as the root of the trouble. For the town's sake, the agents must prevent the two from coming in contact with each other.

• Writer: Vince Gilligan
• Director: Vince Gilligan
• Original Broadcast: 5/14/00
• Guest Cast:
  • Assistant Director Skinner (Mitch Pileggi)
  • Leslie Stokes (Will Sasso)
  • Anson Stokes (Kevin Weisman)
  • Jenn (Paula Sorge)
  • Jay Gilmore (Paul Hayes)
  • Morgue Attendant (Brett Bell)

Mulder and Scully investigate a bizarre occurrence in a southern town and discover the dangerous consequences of getting what you ask for.

• Writers: Chris Carter
• Director: Kim Manners
• Original Broadcast: 5/21/00
• Guest Cast:
  • Assistant Director Skinner (Mitch Pileggi)
  • Detective Billy Miles (Leon Russom)
  • Special Agent Chesty Short (Andy Umberger)
  • Prison Guard (Peter MacDissi)
  • Marita Covarrubias (Laurie Holden)
  • Alex Krycek (Nicholas Lea)
  • 1st Young Man (Eddie Kaye Thomas)
  • 2nd Young Man/Richie Szalay (Judd Trichter)
  • Billy Miles (Zachary Ansley)
  • Greta (Gretchen Becker)
  • Cigarette-Smoking Man (William B. Davis)
  • Teresa Hoese (Sarah Koskoff)
  • Deputy Ray Hoese (Darin Cooper)
  • Langly (Dean Haglund)
  • Byers (Bruce Harwood)
  • Frohike (Tom Braidwood)
  • Bounty Hounter (Brian Thompson)
  • Truitt (Stephen E. Miller)
  • Baby (Grace Demontesquiou and Kelly Demontesquiou)

As they revisit the case that brought them together seven years ago, Mulder and Scully investigate a series of potential alien abductions that threatens their partnership.