An additional spin-off style movie was announced for the character Sandy Cheeks in May 2021. An additional spin-off, an untitled project based on the character Squidward Tentacles, is in development as of 2020. Two spin-off series, Kamp Koral: SpongeBob's Under Years and The Patrick Star Show, premiered in 2021. The series has inspired three feature films: The SpongeBob SquarePants Movie (2004), Sponge Out of Water (2015), and Sponge on the Run (2020). The thirteenth season began airing in October 2020. It has received worldwide critical acclaim since its premiere and had gained enormous popularity by its second season.

The series officially premiered on July 17, 1999. Nickelodeon held a preview for the series in the United States on May 1, 1999, after it aired the 1999 Kids' Choice Awards. Puff and her boating school, so that SpongeBob could attend school as an adult. He was prepared to 'walk out' on Nickelodeon and abandon the series, but he compromised by creating Mrs. The network's executives wanted SpongeBob to be a child in school, but Hillenburg preferred SpongeBob to be an adult character. He began developing SpongeBob SquarePants into a television series in 1996, and in 1997, a seven-minute pilot was pitched to Nickelodeon. Many of the series' ideas originated in The Intertidal Zone, an unpublished educational book that Hillenburg created in 1989 to teach his students about undersea life. It is the highest rated series to air on Nickelodeon as well as the most profitable property for ViacomCBS Consumer Products, having generated over $13 billion in merchandising revenue as of 2019. Being the fifth-longest-running American animated series, its high popularity has made it a media franchise. The series chronicles the adventures of the title character and his aquatic friends in the fictional underwater city of Bikini Bottom. SpongeBob SquarePants (also simply referred to as SpongeBob) is an American animated comedy television series created by marine science educator and animator Stephen Hillenburg for Nickelodeon.

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