The Slumber Party

The sixth season of the American animated television series SpongeBob SquarePants, created by former marine biologist and animator Stephen Hillenburg, aired on Nickelodeon from March 3, 2008, to July 5, 2010, and contained 26 half-hour episodes, being the first season with a different number of half-hours. The series chronicles the exploits and adventures of the title character and his various friends in the fictional underwater city of Bikini Bottom. The season was executive produced by series creator Hillenburg and supervising producer Paul Tibbitt, who also acted as the showrunner. In 2009, the show celebrated its tenth anniversary on television. The documentary film titled Square Roots: The Story of SpongeBob SquarePants premiered on July 17, 2009, and marked the anniversary. SpongeBob's Truth or Square, a television film, and the special episode "To SquarePants or Not to SquarePants" were broadcast on Nickelodeon, as part of the celebration.