S4·E45 Caillou and the Dragon

There's a special visitor at Caillou's playschool - a boy named Alan who has Down's Syndrome. Caillou helps him with the things he has trouble with, like climbing and swinging on the swings. Then, when Caillou and his friends put on a little play Alan brings the house down as a very believable dragon. Caillou realizes that Alan has his own special talent - acting!