Grandma takes Caillou on a special visit to a sheep farm. There, Mary, a 10-year-old girl, takes Caillou on a tour, teaching him about sheep, sheering, and the spinning of wool. When Mom, Rosie and Caillou go to the zoo, Caillou can't wait to see the elephants. They see a parrot, a monkey, a hippopotamus and finally the elephants! Caillou is in complete awe and comes to the realization that animals have families too. Caillou and Dad go over to Mr. Hinkle's house to help him build a dog house. Caillou soon meets Mr. Hinkle's guests, a Mommy dog with her two puppies. When Mom takes Caillou to Clementine's to see her new pet, she won't tell Caillou what kind of animal it is. Caillou soon discovers that Clementine's new pet is a goldfish named Goldie! When Caillou, Grandpa and Daddy go on a canoe trip, Caillou gets to see some wild animals in their natural habitat. When they get to the cabin, they gather wood for the campfire and Caillou learns how to roast marshmallows on the fire.