SpongeBob SquarePants premiered on Nickelodeon in 1999 and became one of the channel's longest-running cartoons, with its closing music accompanying the end credits of episodes. As clips, compilations and memes from the show spread across YouTube and social media, the outro became a shorthand for a cheerful, cartoon ending, even for viewers who had not watched a full episode in years. It sits alongside other familiar SpongeBob audio, such as the SpongeBob sad song, but its upbeat tone makes it better suited to light endings than to emotional moments, which helps explain its lasting appeal among creators.