The longest-running animated TV show is "The Simpsons." Premiering on December 17, 1989, this iconic series was created by Matt Groening and features the Simpson family — Homer, Marge, Bart, Lisa, and Maggie — living in the fictional town of Springfield. Over the years, "The Simpsons" has become a cultural phenomenon, known for its satirical take on American life, politics, and society. It has garnered numerous awards, including Emmys, and has influenced countless other animated programs. Through its humor and social commentary, the show has maintained its relevance for decades.