When troublesome George Ruddy Duck disappears on the express train to Cairo, Miss Mallard applies her detective genius to find out what happened and save the reputation of the train.
World Famous Muriel earns her reputation again when, with the help of numerous peanut butter cookies, she finds the Great Hokus Pokus after he disappears in the middle of rehearsing for his magic show.
Preparing for a rock and roll contest in which they need a dog's howl over a pizza, the gang becomes desperate when their dog loses all interest in pizza.