Graham's Up the Tree! ("and there's nowhere else he can go!") - my 4 year old ran around the house for weeks misquoting the story with his own interpretation of an Australian accent. Calling it out over, and over, and over again.
In the Idea Emporium Bakery, Underwater Lollipops are sold. Give a few licks to free the fishes. Be sure to have water handy for them to jump into. (from my new book in the making)