Santa's Little Helper their old pet. Bart eventually gives Santa's Little Helper away instead of Laddie when repo men take back everything he fraudulently purchased. Feeling guilty about this disloyalty and bored with his too perfect new dog, Bart tries to get him back. When he finally finds him, Santa's Little Helper is serving as a seeing-eye dog for a blind man, but eventually decides to return to the family. In "Stop or My Dog Will Shoot" (season 18, 2007), Santa's Little Helper becomes a local hero after finding a lost Homer, and the Simpsons decide to enroll him in the Animal Police
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