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."
Santa's Little Helper The name "Santa's Little Helper" was chosen because, according to writer Al Jean in the same "TV Guide" article, "we needed a name that would inspire Homer to bet on him, an omen, a Christmas name since he was betting on Christmas Eve. But, at that point, nobody was thinking long-term. We weren't considering what might happen in ten years, when we've got to use this name." Although "Simpsons Roasting on an Open Fire" was the first episode of the series to air on TV, it was the eighth episode produced by the staff. It was chosen to air first