Fantastic Four: World's Greatest Heroes

Season 1, Episode 2

Episode Title: Doomed

Air Date: 2006-09-09

Overview:

Dr. Doom manages to transfer his mind into Reed's body by hacking his consciousness. Reed, who is now trapped in Dr. Doom's body, must now figure out a way to return to his friends and family, or else Dr. Doom will destroy the Fantastic Four and several city blocks by transforming the Baxter Building into his new weapon.