"Gitchee Gitchee Goo" is the song of the one hit wonder group Phineas and the Ferb-Tones, led by Phineas and Ferb. It is one of the most famous songs in the series, and was first sung in "Flop Starz". A full version of the song appears on the Phineas and Ferb soundtrack as well as on the album Disney Channel Playlist. This extended version is also sung at the end of "Phineas and Ferb Musical Cliptastic Countdown", in which it was the #1 song. "Gitchee Gitchee Goo" is also one of the eight songs that was re-released in the Phineas and Ferb Karaoke Soundtrack.