Season

Season 23

by Pamela Hayden, Dan Castellaneta, Harry Shearer, Nancy Cartwright, Russi Taylor and 49 others

The Simpsons' twenty-third season began airing on Fox on September 25, 2011 and ended on May 20, 2012. The show's 500th episode, "At Long Last Leave", aired on February 19, 2012.

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