S05:É16 - S05:E16 - Where Is Mars? // Emma's Extra Snacks // Lost and Found

Caillou and Daddy are finishing up a model of the solar system for show-and-tell... until the little red ball theyre using for Mars disappears. Where did it go? Caillou continually blames Rosie... and he discovers it was Gilbert who ran off with the little planet! Caillou apologizes to his sister, realizing he shouldnt jump to conclusions. // 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. // When things begin to go missing around the house like Mommys keys - Mommy blames Gilbert. Caillou is sure Gilbert didnt take them... and he sets out to prove it! Together, Caillou, Mommy and Rosie backtrack through the house and eventually discover Caillous theory was right Gilbert didnt take the keys -- Mommy left them in the door handle!