I got a question for you: Since its debut on May 1, 1999, SpongeBob SquarePants has broadcast 218 episodes, and its eleventh season premiered on June 24, 2017. The SpongeBob SquarePants Movie, a feature-length film, was released in theaters on November 19, 2004 and grossed over US $140 million worldwide. Atlantis SquarePantis, a television film guest starring David Bowie, debuted as part of the fifth season. In 2009, Nickelodeon celebrated the show's tenth anniversary with Square Roots: The Story of SpongeBob SquarePants and SpongeBob's Truth or Square. The SpongeBob Movie: Sponge Out of Water, a stand-alone sequel, was released in theaters on February 6, 2015 and grossed over US $324 million worldwide.

Answer this question: when do new episodes of spongebob squarepants air?
Let's think first:
To answer the above question, the relevant sentence is: Since its debut on May 1, 1999, SpongeBob SquarePants has broadcast 218 episodes, and its eleventh season premiered on June 24, 2017.
Therefore, the answer is June 24 , 2017.