Even though taking separate vacations was Lisa's idea, she misses Oliver before she even gets to the airport. Her constant phone calls and the goofy locals who think he tossed her out of the house irritate Oliver to no end. He gives up and hops a plane tojoin her; the layover in Cuba was an added surprise.moreless
Batman attempts to contact Robin but with no luck. Riddle copies Robin's face for Molly who infiltrates the Bat-Cave but falls to her death when Batman discovers her. Batman frees Robin. The Riddler goes after the Mammoth of Moldavia. The Dynamic Due pursues and captures the Mole Hill Mob as Riddler escapes in an explosion.moreless
A bomb goes off at the Gotham City World's Fair revealing a riddle which leads Batman and Robin to the Peale Art Gallery. The duo find out it's a trick from the Riddler who serves them subpoenas.
Batman must find out the Riddler's scheme or he must reveal his true identity. Robin finds two clues in the papers and they head to a disco where he unfortunately cannot get in. Batman's drugged by the Riddler's assistant, Molly.
Batman's drugged and Robin is tranquillized by the Riddler, who in turn tries to steal the Batmobile. The Riddler attempts to blow the Batmobile up after he kidnaps Robin. Batman races out to the Batmobile but in his incapacitated condition, he is forced to turn his keys over to the police.
The Riddler attempts to operate on Robin.