Stop! Or My Dog Will Shoot Wiggum, enroll him in the Springfield Animal Police Academy, where he is teamed with Lou, managing to help fight crime in Springfield. Santa's Little Helper catches Snake Jailbird who is taken to court, but freed on a technicality. This makes Santa's Little Helper jaded, and when he returns home, he bites Bart on the leg out of frustration. Considering the fact that the pressure from the fight against crime is what led to the dog's actions on Bart, the Simpsons send the dog away to live with Lou. As a replacement, Marge buys Bart a reticulated python, which he names
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