Sins of the Son

Sins of the Son is the fourth episode of Season Four of Kids' WB's X-Men: Evolution. It was written by Marsha F. Griffin and directed by Gary Graham. It is the forty-seventh episode of the series overall, and premiered on September 20, 2003.

Overview
''Charles Xavier's son David has been seemingly abducted. Charles, Storm, Cyclops, and Jean Grey track him down, and it turns out that he suffers from multiple personality disorder, and that his dominant malicious personality, called Lucas, is overwhelming him. In the end, Lucas defeats the X-Men and breaks free. Meanwhile, Kitty and Kurt have some misadventures while they're ill.''