S1·E13 No Such Thing as Ghosts
Aired December 15, 2002
Synopsis
Gadget is sent to Neutralia, the world's only source of the supermetal neutronium, to rescue King Olaf who has supposedly been kidnapped by the ghost of King Thor. It turns out that Thor seems all too real and intends to take over the country and give MAD the neutronium so Dr Claw can build an invincible army.