- 1 Into the Moonless Night
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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.
Date de diffusion : 2003-09-29
- 2 Wages of Sin
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The Mutant X team must stop the auction of a highly lethal substance that a number of notorious international terrorists are vying to acquire.
Date de diffusion : 2003-10-06
- 3 The Breed
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The Mutant X team is brought in to help a military base that has become infected with a deadly disease.
Date de diffusion : 2003-10-13
- 4 Where Evil Dwells
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The Mutant X team must stop a serial killer who leaves clues to his next victims in the form of puzzles.
Date de diffusion : 2003-10-20
- 5 The Taking of Crows
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When Lexa is unknowingly drugged with a lethal substance, the team must race to find the antidote before it's too late.
Date de diffusion : 2003-10-27
- 6 Shadows of Darkness
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The Mutant X team is called in to investigate bizarre activities occurring at a local hospital.
Date de diffusion : 2003-11-03
- 7 The Hand of God
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The Mutant X team embarks on a mission to locate and capture a powerful super-mutant who possesses god-like powers.
Date de diffusion : 2003-11-10
- 8 Wasteland
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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.
Date de diffusion : 2003-11-17
- 9 No Exit
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A revenge-seeking cybernetic mutant uses his powers to overtake Sanctuary's security system in a plot to destroy Mutant X.
Date de diffusion : 2004-01-12
- 10 Brother's Keeper
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The Mutant X team learns about Lexa's estranged twin brother when he becomes the main target of an underground operation harvesting mutant organs.
Date de diffusion : 2004-01-19
- 11 Possibilities
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Brennan and the Mutant X team join forces with a time traveling mutant to diffuse a bomb threatening devastating consequences.
Date de diffusion : 2004-01-26
- 12 Conspiracy Theory
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While Brennan and Shalimar investigate a mysterious plane crash, Lexa contemplates her future with the Mutant X team.
Date de diffusion : 2004-02-02
- 13 Art of Attraction
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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
Date de diffusion : 2004-02-09
- 14 A Normal Life
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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.
Date de diffusion : 2004-02-16
- 15 Divided Loyalties
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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.
Date de diffusion : 2004-02-23
- 16 Age of Innocence
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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.
Date de diffusion : 2004-04-05
- 17 She's Come Undone
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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.
Date de diffusion : 2004-04-12
- 18 In Between
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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.
Date de diffusion : 2004-04-19
- 19 Dream Lover
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Mutant X must stop a scientist from cloning women for use as slaves in his ultra-exclusive men's club.
Date de diffusion : 2004-04-26
- 20 The Prophecy
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Brennan battles with a Guardian of the Prophecy to stop the late mutant Ashlocke's plan from beyond the grave of world domination.
Date de diffusion : 2004-05-03
- 21 Cirque des Merveilles
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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.
Date de diffusion : 2004-05-10
- 22 The Assault
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The team uncovers many of the mysteries surrounding Mutant X after the Dominion captures Lexa and Jesse.
Date de diffusion : 2004-05-17