How Munched Is That Birdie in the Window? the fact that he still had not forgiven Milhouse for breaking his toy car, believing it to be a Transformer). When they take him to a therapy session with Dr. Thurmond (voiced by guest star Rachel Weisz), she tries to convince Bart that Santa's Little Helper is an innocent creature who never had the intention to hurt him and that Bart should forgive him. When this fails (thanks in no small part to Helper's taste for birds) she advises the Simpsons that the only cure for Bart’s blues is to give away the family dog, leaving Lisa mad at Bart
Bart's Dog Gets an "F" shorts, the characters spun off into their own half-hour prime-time show on the Fox network named "The Simpsons". Matt Groening, the series' creator, wanted Ullman to make a guest appearance in one of the shorts, but was told that she was too busy with the rest of "The Tracey Ullman Show". When her show was canceled in 1990, Ullman agreed to do a guest appearance on "The Simpsons" after being asked by Groening once again. The animal noises for the episode, including those by Santa's Little Helper, were performed by Frank Welker. It was the first "The Simpsons" episode Welker