Monster Wave

"Monster Wave" is the second segment of the seventeenth episode of Henry Hugglemonster. It premiered on June 21, 2013 alongside "The Piano Lesson".

Synopsis
When Gertie arrives at Henry's house, Henry thinks she's come for a playdate but she actually just came over for a piano lesson with her piano teacher, Momma! So, Henry must figure out how to pass the time – quietly – while waiting for Gertie to finish her piano lesson with Momma.