Happy Girl Meets a Monster is a variety show sketch that was performed on The Ed Sullivan Show on May 11, 1969, with Little Girl Sue and Beautiful Day Monster. It was later adapted for use on The Muppet Show in episode 209, with Madeline Kahn and Doglion.

In the sketch, a female Muppet is enjoying a beautiful day outside when a mean monster arrives to spoil it. With a wave of his hand and a few grunts, he makes dark storm clouds appear, but the optimistic girl says that she likes rainy days as well. The monster proceeds to do whatever he can to ruin everything that the girl perceives to be beautiful. Since she enjoys the sound of a bird whistling, the monster shoots the bird with a shotgun. The girl tells him that he's awful -- but he's so awful that actually he's beautiful; a beautiful example of perfect awfulness. Embarrassed and upset, the monster begins to shrink. When the monster is small enough, the girl smacks the monster with a flyswatter and walks off.