Caillou the Chef is an episode from Season 4.
Caillou is excited because Leo and Clementine and are coming over for lunch. Caillou's Mommy prepares the dough. Jason and Jeffery arrive and Jason has brought his toy spider. Clementine guesses that they are having snail sandwiches for lunch. Caillou corrects him, saying they're going to have pizza. Caillou's Daddy comes in and tells them that he once worked at a pizzeria and threw the dough into the air. The group then walks into the kitchen. Daddy gets the pizza dough on his face and goes to wash it off, while Caillou, Clementine, and Leo spread the sauce on and cheese and numerous toppings on. Caillou then gets upset because he says that broccoli and carrot sticks do not go on pizza he was upset that Caillou cried. Caillou's Mommy bakes the pizzas while his friends play pretend restaurant. Caillou imagines what it would be like to work at a pizzeria. Soon, the pizzas is done and Caillou's friends happily eat them and Caillou realizes that broccoli and carrot sticks actually can go on pizza.