Caillou
Caillou was 4 years old and wore a white shirt in season 1. Later, he wore a yellow shirt in season 2, 3, 4, anc 5. In season 4 and 5, Caillou started going to preschool. Many parents have criticized the show, due to Caillou's behavior. The series was given a web series called Caillou's New Adventures in 2016. In July 2022, NBCUniversal announced that Caillou will be revived on Peacock in 2023.