Caillou is afraid of Mr. Hinkle, and when Mr. Hinkle waved to Caillou, Caillou panicked and ran. That made Mr. Hinkle really sad, so he goes over and apologizes. Caillou's Mom couldn't get Caillou to go downstairs, so they engage Caillou in a game of "Hide and Seek". In the end, Caillou is no longer afraid of Mr. Hinkle. As a matter of fact, Caillou decides that he likes Mr. Hinkle after all.