"The Joker Is Wild"
Joker disguises himself as Pagliachi, and performs live on television. Batman and Robin follow a clue to the studio, where Joker hits them with sneezing powder from his new utility belt. He then turns to the camera and says that he's going to unmask them on live TV!
"Could this mean curtains?"
Batman is able to reach his utility belt, and throws an exploding pellet at the ceiling. In the confusion, he and Robin escape and pursue the Joker.
Joker humiliates Batman and Robin with his new utility belt.