How Old Is Spongebob 2024 Season. Spongebob's birthdate was revealed to be july 14, 1986, but this would mean he was 13 when the series premiered, causing some inconsistencies. Spongebob has been developed into several movies since, and the series was renewed by nickelodeon for a fifteenth season in 2023.

Despite this, his physical appearance remains. Hit animated series spongebob squarepants has been renewed by nickelodeon for season 15.