There was a lost 2006 pilot of Bubble Guppies.
Since Season 5, the sketch comedy format was dropped in favor of a new storytelling format where the episode's story segment takes up the whole latter half of an episode.
Zachary Gordon (the voice of Gil) and the late Tino Insana (voice of Mr. Grouper) have the same birthday; February 15th.
Deema hosts the most shop segments while Nonny has the most food jokes.
Deema sang the most dance songs in Season 1, while Goby and Gil sang the most in Seasons 2-4.