September 29, 2003 · 43 min
In the aftermath of disaster, the Mutant X team must deal with the death of one of their teammates, the disappearance of another, the return of Mason Eckhart, and the arrival of a mysterious mutant with an agenda of her own.
October 6, 2003 · 43 min
The Mutant X team must stop the auction of a highly lethal substance that a number of notorious international terrorists are vying to acquire.
October 13, 2003 · 43 min
The Mutant X team is brought in to help a military base that has become infected with a deadly disease.
October 20, 2003 · 43 min
The Mutant X team must stop a serial killer who leaves clues to his next victims in the form of puzzles.
October 27, 2003 · 43 min
When Lexa is unknowingly drugged with a lethal substance, the team must race to find the antidote before it's too late.
November 3, 2003 · 43 min
The Mutant X team is called in to investigate bizarre activities occurring at a local hospital.
November 10, 2003 · 43 min
The Mutant X team embarks on a mission to locate and capture a powerful super-mutant who possesses god-like powers.
November 17, 2003 · 43 min
Jesse is forced to reconnect with his former fiancé when the Mutant X team learns that her company is involved in the genetic manipulation of crops.
January 12, 2004 · 43 min
A revenge-seeking cybernetic mutant uses his powers to overtake Sanctuary's security system in a plot to destroy Mutant X.
January 19, 2004 · 43 min
The Mutant X team learns about Lexa's estranged twin brother when he becomes the main target of an underground operation harvesting mutant organs.
January 26, 2004 · 43 min
Brennan and the Mutant X team join forces with a time traveling mutant to diffuse a bomb threatening devastating consequences.
February 2, 2004 · 43 min
While Brennan and Shalimar investigate a mysterious plane crash, Lexa contemplates her future with the Mutant X team.
February 9, 2004 · 43 min
As the Mutant X team fights to retrieve a formula hidden in a collection of artwork, Shalimar is given vital information from a mysterious source
February 16, 2004 · 43 min
Mutant X tracks down a rogue scientist while Shalimar breaks away from the team to help Adam save the scientist and uncover the real bad guy.
February 23, 2004 · 43 min
Brennan is forced to return to his criminal past when Mutant X discovers that his old partner is involved in stealing secrets from the Dominion.
April 5, 2004 · 43 min
Mutant X unearths an old military experiment involving an age-reversal serum and is surprised to discover that Jesse's grandfather is a one of the test subjects.
April 12, 2004 · 43 min
Discovering that their teammate Lexa is the subject of a covert experiment that is controlling her, the Mutant X team hunts for the doctor responsible.
April 19, 2004 · 43 min
When Jesse's life hangs in the balance, Brennan must connect to him and lead him through past memories they've shared in order to save his life.
April 26, 2004 · 34 min
Mutant X must stop a scientist from cloning women for use as slaves in his ultra-exclusive men's club.
May 3, 2004 · 43 min
Brennan battles with a Guardian of the Prophecy to stop the late mutant Ashlocke's plan from beyond the grave of world domination.
May 10, 2004 · 43 min
Lexa's suspicions lead Mutant X to unveil a traveling death camp, which is posed as a circus for mutant refugees and Mutant X's enemy within the Dominion.
May 17, 2004 · 43 min
The team uncovers many of the mysteries surrounding Mutant X after the Dominion captures Lexa and Jesse.
