Season 4

September 20, 2003

Xavier is told he has a son, who has been kidnapped in Scotland. So he and the X-Men head there to find him.

September 27, 2003

Hate crimes against mutants in Bayville prompt Spyke to return to stop the violence.

October 4, 2003

Rogue is kidnapped by Gambit, who says he's there to help her; and the X-Men search for her, led by Wolverine.

October 11, 2003

Kitty is rescued by a mutant and invites her to join the institute. But the mutant soon vanishes, and only Kitty remembers her.

October 18, 2003

Xavier finds Apocalypse in Egypt, and Apocalypse unleashes four horsemen, who battle the X-Men.

October 25, 2003

The battle against Apocalypse rages as X-Men, the Brotherhood, and Acolytes join forces to stop him from turning all humans into mutants.