Season 4
Episodes
1. Impact
2003-08-30
The X-Men pursue Apocalypse in Mexico, hoping to find and overcome him before Magneto finds him.
2. No Good Deed
2003-09-06
The Brotherhood cause mishaps so they can stop them and appear to be heroes.
3. Target X
2003-09-13
Wolverine finds his clone, X-23, who's trying to destroy Hydra, her creator, and the two team up to complete the mission.
4. Sins of the Son
2003-09-20
Xavier is told he has a son, who has been kidnapped in Scotland. So he and the X-Men head there to find him.
5. Uprising
2003-09-27
Hate crimes against mutants in Bayville prompt Spyke to return to stop the violence.
6. Cajun Spice
2003-10-04
Rogue is kidnapped by Gambit, who says he's there to help her; and the X-Men search for her, led by Wolverine.
7. Ghost of a Chance
2003-10-11
Kitty is rescued by a mutant and invites her to join the institute. But the mutant soon vanishes, and only Kitty remembers her.
8. Ascension (1)
2003-10-18
Xavier finds Apocalypse in Egypt, and Apocalypse unleashes four horsemen, who battle the X-Men.
9. Ascension (2)
2003-10-25
The battle against Apocalypse rages as X-Men, the Brotherhood, and Acolytes join forces to stop him from turning all humans into mutants.