Santa's Little Helper Academy. However, his new crime-fighting job makes him jaded and one day at home he bites Bart. The Simpsons must therefore send the dog away to live with officer Lou. However, he gets to return after saving Bart from a toxic smoke cloud at school and then leaving the police force. In "How Munched is That Birdie in the Window?" (season 22, 2010), after Santa's Little Helper devours a pigeon with a broken leg that Bart was nursing, Bart gets mad at the dog and is unable to forgive him. The Simpsons therefore give him away to an ostrich farm.
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