When does Caillou: Adventures with Grandma and Grandpa return?

Caillou (transl.?pebble or stone; /k??j?, -ju?/ ? kah-yuu, -?yoo; French: [kaju], stylized in lowercase) is based on the books by Hélène Desputeaux. The series was produced in Canada by the CINAR Corporation, while the fifth and final season was produced with the South African studio Clockwork Zoo. A series reboot was announced in 2023 with a release date set to debut later that year on Peacock with 52 episodes.