Santa's Little Helper prompted satires of contemporary dog culture, from Barbara Woodhouse's authoritarian training methods [in "Bart's Dog Gets an F"] to Lassie's flawless service to the status quo [in "The Canine Mutiny"]." Although cast member Dan Castellaneta occasionally voiced Santa's Little Helper for bit parts, American voice artist Frank Welker most often provided the sounds of the dog and other animals on the show from "Bart's Dog Gets an F", which aired on March 7, 1991, to "Home Sweet Homediddly-Dum-Doodily", which aired on October 1, 1995. He said on his official website in 2007 that he liked portraying Santa's Little Helper because
The Simpsons longest-running sitcom (animated or live action) in the United States. In 2009, "The Simpsons" surpassed "The Adventures of Ozzie and Harriet"s record of 435 episodes and is now recognized by "Guinness World Records" as the world's longest running sitcom (in terms of episode count). In October 2004, "Scooby-Doo" briefly overtook "The Simpsons" as the American animated show with the highest number of episodes (albeit under several different iterations). However, network executives in April 2005 again cancelled "Scooby-Doo", which finished with 371 episodes, and "The Simpsons" reclaimed the title with 378 episodes at the end of their seventeenth season. In May