Episode Title:
Carlos Gets the Sneezes.
Episode Description:
In a throwback to the original series episode, "Inside Ralphie", Carlos brings a rat as the class pet, but then he starts sneezing uncontrollably. As Miss Fiona and the class investigate inside Carlos's immune system, they find that Carlos is being exposed to something that is giving him allergies. At first, they believe it's the rat, but later they discover it was pollen that got stuck in the rat's fur.
