Caillou's Mom and Rosie are going out for the day. This means he and his Dad can finally work on a surprise for Caillou's mom: A bookshelf. They then accidentally get paint all over themselves when they realized that they haven't any paint to go on top of the undercoat. So, they go out and get some. Then they grabbed a hotdog. When Caillou's mom returns, she's pleasantly surprised by the shelf, and the book Caillou made for her that's on it. The end.
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