4x01 Herrenvolk
Written by Chris Carter
Directed by R W Goodwin
Airdate: 4 October 1996
Scully and Mulder go up against an invincible alien assassin to protect a traitor to the conspiracy who can lead them to the truth ... and save the life of Mulder's mother.
4x03 Home
Written by Glen Morgan and James Wong
Directed by Kim Manners
Airdate: 11 October 1996
An investigation into infanticide in an idyllic small town leads Mulder and Scully to an even more appalling discovery: a family deformed by inbreeding into a feral, murderous clan.
4x04 Teliko
Written by Howard Gordon
Directed by James Charleston
Airdate: 18 October 1996
Mulder and Scully combine folklore and science to solve the mysterious disappearances of African American men.
4x02 Unruhe
Written by Vince Gilligan
Directed by Rob Bowman
Airdate: 27 October 1996
Mulder's only hope of stopping a psychotic killer are psychic photographs that reveal the madman's darkest fantasies.
4x05 The Field Where I Died
Written by Glen Morgan and James Wong
Directed by Rob Bowman
Airdate: 3 November 1996
An investigation into a religious cult takes Mulder on his strangest journey ever ... through his past lives.
4x06 Sanguinarium
Written by Valerie Mayhew and Vivian Mayhew
Directed by Kim Manners
Airdate: 10 November 1996
A series of mysterious deaths which plague a cosmetic surgery clinic lead Mulder to believe it may not be human error, but human sacrifice.
4x07 Musings of a Cigarette Smoking Man
Written by Glen Morgan
Directed by James Wong
Airdate: 17 November 1996
Frohike pieces together what could be the secrets behind the mysterious Cigarette-Smoking Man's past. His speculation could cost him his life.
4x09 Tunguska
Written by Chris Carter and Frank Spotnitz
Directed by Kim Manners
Airdate: 24 November 1996
Scully risks contempt of Congress when she refuses to divulge Mulder's whereabouts to a Senate Subcommittee.
4x10 Terma
Written by Chris Carter and Frank Spotnitz
Directed by Rob Bowman
Airdate: 1 December 1996
A Russian assassin is brought out of retirement to erase all links to American experiments involving the mysterious 'blank cancer'.
4x08 Paper Hearts
Written by Vince Gilligan
Directed by Rob Bowman
Airdate: 15 December 1996
Mulder has haunting dreams that lead him to question what really happened to his sister.
4x11 El Mundo Gira
Written by John Shiban
Directed by Tucker Gates
Airdate: 12 January 1997
Mulder and Scully follow a trail of bodies left behind by what could be the legendary chupacabra.
4x14 Leonard Betts
Written by Vince Gilligan, John Shiban and Frank Spotnitz
Directed by Kim Manners
Airdate: 26 January 1997
A headless corpse walks out of a hospital morgue triggering the search for a man who possess unimaginable regenerative powers.
4x13 Never Again
Written by Glen Morgan and James Wong
Directed by Rob Bowman
Airdate: 2 February 1997
While Mulder is vacationing, Scully finds herself attracted to a handsome divorcee whose Betty Page-like tattoo seemingly has a mind of its own.
4x15 Memento Mori
Written by Chris Carter, Vince Gilligan, John Shiban and Frank Spotnitz
Directed by Rob Bowman
Airdate: 9 February 1997
When Scully is diagnosed with cancer, Mulder hunts for research files pertaining to a group of female abductees who also contracted the disease.
4x12 Kaddish
Written by Howard Gordon
Directed by Kim Manners
Airdate: 16 February 1997
Mulder suspects that a golem, a man-made monster described in Jewish folklore, may be responsible for the deaths of several hate-mongers who murdered a Jewish man.
4x16 Unrequited
Story by Howard Gordon
Teleplay by Howard Gordon and Chris Carter
Directed by Michael Lange
Airdate: 23 February 1997
A seemingly invisible Vietnam vet begins killing the military's top brass.
4x17 Tempus Fugit
Written by Chris Carter and Frank Spotnitz
Directed by Kim Manners
Airdate: 16 March 1997
The agents investigate the apparent downing of a commercial jetliner by a UFO.
4x18 Max
Written by Chris Carter and Frank Spotnitz
Directed by Kim Manners
Airdate: 23 March 1997
As the investigation into the crash of a commercial airliner continues ... Mulder is placed under military arrest after he discovers the existence of a UFO crash site and Scully mourns the loss of a fellow agent.
4x19 Synchrony
Written by David Greenwalt and Howard Gordon
Directed by James Charleston
Airdate: 13 April 1997
The agents search for answers when an elderly man uses a technology of the future to commit murder.
4x20 Small Potatoes
Written by Vince Gilligan
Directed by Cliff Bole
Airdate: 20 April 1997
The agents search for a man who possesses the ability to change form.
4x21 Zero Sum
Written by Howard Gordon and Frank Spotnitz
Directed by Kim Manners
Airdate: 27 April 1997
Skinner is framed for murder after he covers up the death of a young woman who was attacked by a swarm of bees.
4x22 Elegy
Written by John Shiban
Directed by James Charleston
Airdate: 4 May 1997
The agents suspect a mentally disturbed man is connected to the deaths of several girls whose spirits attempted to make contact with the living.
4x23 Demons
Written by R W Goodwin
Directed by Kim Manners
Airdate: 11 May 1997
Mulder becomes the prime suspect in an apparent double homicide.
4x24 Gethsemane
Written by Chris Carter
Directed by R W Goodwin
Airdate: 18 May 1997
Mulder and Scully search for the truth when an anthropologist discovers what could be the frozen remains of extraterrestrial life.