C.J. Barnes has to substitute for a class. Initially, he is fearful and tries to relate to the students. However, he quickly loses control of the class. When the principal tells him to come up with something of his own that will help him regain authority in the classroom, he does it and manages the classroom on his own.
Shari burned an important batch of magic crumpets and needs to make a new batch of 8. However, her recipe will only make 4 crumpets. Matt helps her determine the quantity of each ingredient she needs to use in order to make 8 batches.