When does Caillou: Adventures with Grandma and Grandpa return?

Caillou was first shown in the episode "Caillou Makes Cookies", which aired in 1997. The first episode aired on Teletoon (both English and French versions) until the fourth season. It also aired on PBS and the PBS Kids Channel. In 2023, it was announced that the show would be rebooted with 52 eleven-minute episodes some time in 2023.