Caillou

Caillou is an Canadian children's television show based on a series of books by author Christine L'Heureux and illustrator Hélène Desputeaux. Caillou was first voiced by Bryn McAuley, then Jaclyn Linetsky. Due to her death in 2003, Jaclyn was replaced with Annie Bovaird.
About the show.
The show is about a young boy named Caillou who lives with his mother Doris, his father Boris, his little sister Rosie, and his pet cat Gilbert. Mr. Hinkle lives next door to Caillou's house. 
Caillou was 4 years old and wore a gray shirt in season 1. Later, he wore a yellow shirt in season 2, 3, 4, and 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.
Broadcast airs.
The series originally aired on Teletoon in Canada. It also aired on PBS Kids, Sprout and Cartoonito in the United States, The show will also be shown in the upcoming Nick Jr. series "Kawaii Club".
Episodes.
"Caillou" has a total of five seasons of 144 half-hour episodes, as well as the 90-minute movie "Caillou's Holiday Movie".
Book series.
In 1989, the first Caillou book of the Caillou book series was made.