S1·E18 Caillou's Hiding Place

Caillou is at Grandpa and Grandma's house. He goes looking for a special hiding place and gets stuck in a kitchen closet. Grandpa shows Caillou an extra-special place: a hollow tree trunk. Caillou discovers an old toy in the hiding place and learns that it used to be his Daddy's hiding place when he was Caillou's age.