Official clips are frequently shared on the Nick Animation Facebook page and the Nick Jr. Music YouTube channel .
While the core song remained consistent, the animation was updated in Season 2, and the vocals were re-recorded in Season 3 to match new voice actors. A special version was also introduced in Season 5 to include the new character, Zooli . Official Theme Song Video
You can watch the official theme song posted by Nick Animation here: "Bubble Guppies" Theme Song | Nick Animation YouTube• Dec 4, 2017
The theme features a call-and-response structure between the characters: "Bub-bub-bubble, Gup-gup-guppies!"
Beyond the TV broadcast, you can find the theme song and its various remixes on several platforms: