Season 3, Episode 23 - "I'll Be a Mummy's Uncle"
22 February, 1968
Tut escapes from Mount Ararat Hospital and purchases a piece of land adjacent to Wayne Manor to mine a vein of the world's hardest metal, Nilanium. After checking with the Batcomputer, Batman learns that Tut's slanting mine shaft is aimed at the Batcave. Batman and Robin give chase in a mine car, but arrive too late; the pharaoh's crew is already in the Batcave! The Joker and his gang fly overhead in a homemade flying saucer to spread intergalactic terror in Gotham...
