"Gonna Make the Giggle Melons Grow" is a song from the episode, Thanks for the Giggle Melon.
Got to make it hot, got to make it wet. Got to make it sunny, we'll have melons yet. Lots of water and lots of light,will make the Giggle Melon grow just right. Mr. Catepillar, no, no, no! We gotta make these melons grow.