Caillou spends his summer doing many new things ... On a really hot day, he and Rosie run through the sprinkler, then watch real kids run through the sprinkler and play in the pool.

Caillou's little sister Rosie also gets in on the Christmas fun. When Mom offers to help Rosie with making gifts, Rosie decides to try it on her own.

Caillou brings a cricket in the house and learns creatures belong in their natural habitat./Caillou learns a lesson about jealousy when Sarah gets a new dog./Caillou learns the difference between ...

For everyone who's still figuring it out.