DINNER THEATER; While acting in the play, ""Butterflies are Free"" before a live audience at a restaurant, the lead actress (Tracey Ullman) tries to convince a fat man in the audience (Mike Starr) to take his mind off his food and on her act. CINEMA VERITE; Robert Parket (Sam McMurray) and his film crew visit the run-down apartment of single mother Betty (Tracey Ullman) to make a movie about urban squalor. THE MEDLEY; At a nightclub, a man and woman singing duo (Tracey Ullman and Sam McMurray) makes a final awful medley of 1960's songs in their act. ZOO STORY; The Simpsons visit the zoo and pay a visit to the ape family cage which resembles them.