Santa's Little Helper event; however, their plan fails and a drunk shark that's discovered at the event becomes the new mascot instead. Santa's Little Helper gladly returns to the Simpson family. Santa's Little Helper's initial appearance on "The Simpsons" was in the first episode of the series, "Simpsons Roasting on an Open Fire", which aired on Dec. 17, 1989. Since then, he has become a recurring character. "The Simpsons" creator Matt Groening told "TV Guide" in 2000 that "we [the staff] painted ourselves into a corner with our Christmas episode. Once we wrote the dog into the show, we were stuck with him."
Good Night (The Simpsons) and looking a little worse for wear." DVD Movie Guide says, "I’ve seen a few additional Ullman shorts and think they’re nearly unwatchable, so I can’t say I miss them, at least not for their entertainment value. However, they’d make a nice historical addition, so it’s too bad we only get this single clip. The first one ever aired, “Good Night Simpsons” runs for 115 unfunny seconds." The Digital Fix says the short extra on the DVD "showcases the superb sense of humour that has made The Simpsons what it is today", and that "the picture quality is quite breathtaking