When Mr. Granite calls in sick, the students of Ella Mentry School think they are getting a week of total freedom. But their brand new substitute teacher, Miss Kraft, turns out to be entirely exhausting. Instead of wearing normal clothes, she shows up to class dressed in a full clown costume! A.J. and his friends can hardly believe their eyes. Miss Kraft insists on teaching her lessons using silly hand puppets and performing random magic tricks right at her desk. You will be cracking up as the kids try to figure out why their substitute is smiling and cheerful every single second of the day. Get ready for a week of pure classroom chaos with the wackiest teacher in town. You will love watching the gang attempt to survive a colorful, confusing, and incredibly weird substitute who refuses to ever stop being happy.