Elmo, Ernie, and their Sesame Street friends will make little ones giggle, grin, and guffaw as they tell a series of silly elephant, fish, and knock-knock jokes. Visual humor and verbal puns will have even grown-ups laughing until it hurts at this collection of kooky knock-knocks and jokes about everybody's favorite funny animals. This is one that toddlers will want to come back to—again and again and again!