S2·E57 Surprise Party
Aired September 13, 2000
Synopsis
Caillou and Rosie are at Grandma’s. To his surprise Caillou discovers that Grandpa’s birthday was last week and he had no birthday party. How could a birthday be a birthday without a party! Caillou decides to give Grandpa one. With Grandma's help, he gets everything ready, even the candles on the cake. Surprise! Grandpa is very surprised and very happy.