A former academic who thinks he is really King Tut has returned. Batman and Robin seek his capture. A twist occurs, however, when King Tut's gang kidnaps Bruce Wayne. They are taking the millionaire in an ambulance. As Bruce tries to get free, the rear doors of the ambulance open and Bruce rides a cart toward a cliff.

Bruce frees himself just before the cart he is riding goes over a cliff. As Batman, he works to bring King Tut to justice. But the hero is captured by King Tut instead. Batman is then tortured as King Tut drops a pebble on his head at a time. Robin works to track Batman in time.

Charlie Chaplin and the Keystone Kops raid the till at the newly opened Gotham movie theater. The culprits turn out to be 'The Riddler' and his gang in disguise. They lead the Dynamic Duo on a crime spree chase from Mother Gatham's Bakery, past the Gotham Library, and into a Temperance Party. At each of these events, the villains are accompanied by German film maker Van Bloheim who captures everything on celluloid.

Robin has been captured by 'The Riddler', leaving Batman fearing his own reaction. Therefore he asks Commissioner Gordon to accompany him to the Bat-cave to witness his interrogation of Pauline, The Riddler's moll. All clues eventually lead back to the priceless silent film collection of Mr. Van Jones, to which The Riddler is about to add his own silent masterpiece.