In season 6, the series' second television film, ' Truth or Square,' premiered on November 6, 2009. In season 5, the series' first television film, ' Atlantis SquarePantis,' premiered on Novemafter a television marathon. The series' first feature film, The SpongeBob SquarePants Movie, was released in theaters in the United States on November 19, 2004. The series follows the adventures of the title character and his various friends in the fictional underwater city of Bikini Bottom. Since its debut on May 1, 1999, the series has aired over 250 episodes and is currently in its thirteenth season, which premiered on October 22, 2020. Created by former marine biologist and animator Stephen Hillenburg, it is broadcasted on Nickelodeon, an American cable network. SpongeBob SquarePants is an American animated television series.