Mommy and Daddy are going out to a party and Caillou is excited to hear that Grandpa is coming to babysit. When Grandpa arrives he brings a couple of surprises - a book about sailing ships and a real telescope. Caillou learns all about the old ships and how to salute when you say ‘Aye aye Captain!’ When a thunderstorm starts to rage outside Caillou is a little scared, until he pretends he’s a very brave sea captain who’s not afraid of storms!
