This is a list of episodes of SpongeBob SquarePants , an animated television series broadcast on Nickelodeon, an American cable network. SpongeBob SquarePants premiered on May 1, 1999 and is currently in its sixth season. Each season consists of twenty episodes. As of October 29, 2008, a total of 109 episodes have aired. Each episode consists of either two eleven-minute shorts, three seven-minute shorts, a twenty-two minute special, or a forty-five minute television movie. An additional 32 episodes have yet to air. As of October 29, 2008, the total number of episodes individually is 213.

A feature film, The SpongeBob SquarePants Movie complements the series, and premiered in theaters in the United States on November 19, 2004. In season five, the series' first television movie, Atlantis SquarePantis , premiered on November 12, 2007 after a marathon. There have been many marathons in which viewers vote for their favorite episodes. One of the more notable marthons is the Best Day Ever marathon, which aired from November 9–10, 2006. "Karate Island" was named the best episode ever to date by voters. Four of the seasons have received complete DVD releases, and the entire set of the fifth season is also available on DVD by November 2008.