Hopping Mad: Dennis is invited to a music recital by Margaret and his parents give him money to buy a gift for her along the way. He stops to see a magic show, and the magician's assistant sells Dennis his boss' magic hat. Mayan Mayhem: Dennis and Mr. Wilson get onto the wrong plane from their families' intended vacation, ending up in the Yucatán, in Mexico, when they're forced to bail out due to excess weight. The Big Power Trip: Dennis and his father are on a tour of an electric plant when Ruff is spooked by the turbines and runs off. (thetvdb.com)