The Clock King returns to continue his vendetta against Mayor Hill. This time, the time-obsessed criminal hopes to murder Hill with the help of a stolen invention that allows him to warp time and travel at super-speed. Securing another device from its creator, Batman and Robin take on the Clock King in a furious high-speed battle for the mayor's life.

Using microchips stolen from the Mad Hatter, the Joker brainwashes famous comedians into committing crazy crimes in order to ruin their reputations. As it turns out, the comedians are the judges who tossed the Joker out of the Gotham Comedy Competition the year before. Now, the Clown Prince of Crime wants to seek his revenge, and Batman and Robin must foil the Joker's plot.