He Who Laughs Last

S1, E3: Class clown, Gus, is big on getting laughs. Cassy thinks she's just as funny and a competition begins. During a "vanishing class" the kids are told to go spread mirth while practicing their powers of invisibility. Our two jokemeisters, Cassy and Gus, wreck comical havoc on downtown Hamburg, while poor Verne's attempts to get laughs at a bakery backfire miserably...