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.
- There are still no episodes this season
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.