The Rascals and Toughie McGurk's Pirates compete for raw materials to build racers for the town's Soap Box Derby.; The Rascals go to a swamp to catch frogs for a French restaurant; but the swamp belongs to the cantankerous Mr. Grumble, who decides to catch the frogs himself.; After attending an abstract art show, Alfalfa decides to become a painter.; Waldo, the rich kid, invites the Rascals to his birthday party. Waldo's parents have hired a new butler and have told him not to let the Rascals in.; Spanky tries to barbeque a chicken, with unpleasant results.; Spanky lifts weights to be the toughest in the neighborhood, but he's still no match for Toughie McGurk.; Spanky and Alfalfa have to stay after school and practice a piano and violin duet.