Little Green Frog is a song heard in Season Sixteen episode, "I Should Have Never Gone Ziplining". The zip-line tourist group sings this in the shuttle van between the zip line points.
Lyrics
Verse 1:Mmm mmm went the little green frog one day
Mmm mmm went the little green frog
Mmm mmm went the little green frog one day
And they all went mmm mmm ahhh!!
Verse 2:We all know frogs go ladedadeda
ladedadeda ladedadeda
We all know frogs go ladedadeda
ladedadeda ladedadeda
They don’t go mmm mmm ahh.