Caillou is confused when Emma is allowed to have extra snacks at preschool. Hes even more confused when Miss Martin explains that Emma has Type 1 Diabetes. Worried about his friend, Caillou becomes very protective of Emma, not wanting her to do anything not even go down the slide! But when Emma outruns Caillou in a race, he soon realizes Emmas diabetes isnt like a cold or flu. Its something Emma has to live with every day... and shes doing a pretty good job of it.