Air date: 2003-09-29

Runtime: 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.

Air date: 2003-10-06

Runtime: 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.

Air date: 2003-10-13

Runtime: min

The Mutant X team is brought in to help a military base that has become infected with a deadly disease.

Air date: 2003-10-20

Runtime: min

The Mutant X team must stop a serial killer who leaves clues to his next victims in the form of puzzles.

Air date: 2003-10-27

Runtime: min

When Lexa is unknowingly drugged with a lethal substance, the team must race to find the antidote before it's too late.

Air date: 2003-11-03

Runtime: min

The Mutant X team is called in to investigate bizarre activities occurring at a local hospital.

Air date: 2003-11-10

Runtime: min

The Mutant X team embarks on a mission to locate and capture a powerful super-mutant who possesses god-like powers.

Air date: 2003-11-17

Runtime: 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.

Air date: 2004-01-12

Runtime: min

A revenge-seeking cybernetic mutant uses his powers to overtake Sanctuary's security system in a plot to destroy Mutant X.

Air date: 2004-01-19

Runtime: 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.

Air date: 2004-01-26

Runtime: min

Brennan and the Mutant X team join forces with a time traveling mutant to diffuse a bomb threatening devastating consequences.

Air date: 2004-02-02

Runtime: min

While Brennan and Shalimar investigate a mysterious plane crash, Lexa contemplates her future with the Mutant X team.

Air date: 2004-02-09

Runtime: 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

Air date: 2004-02-16

Runtime: 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.

Air date: 2004-02-23

Runtime: 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.

Air date: 2004-04-05

Runtime: 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.

Air date: 2004-04-12

Runtime: 60 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.

Air date: 2004-04-19

Runtime: 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.

Air date: 2004-04-26

Runtime: min

Mutant X must stop a scientist from cloning women for use as slaves in his ultra-exclusive men's club.

Air date: 2004-05-03

Runtime: min

Brennan battles with a Guardian of the Prophecy to stop the late mutant Ashlocke's plan from beyond the grave of world domination.

Air date: 2004-05-10

Runtime: 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.

Air date: 2004-05-17

Runtime: min

The team uncovers many of the mysteries surrounding Mutant X after the Dominion captures Lexa and Jesse.