Ben 10: Ultimate Alien - The Ultimate Enemy (1)

Seizoen: 2 - Aflevering: 31 / 51 - Eerst uitgezonden: 24 maart 2012 - Episode ID: 625386

Ben, Gwen, Kevin, and George trash Diagon's City while battling a reborn, Lucubra-morphed, power hungry Vilgax. Diagon is released and plans to become ruler of Ben's Universe.