Caillou Goes to the Zoo is an episode from Season 1.
Caillou and his family go to the zoo and a zookeeper named Zoey takes them on a tour. First, they go to the wolf enclosure the wolf had 2 new pups then second they go to the rhino exhibit , which Rosie likes the best, the rhino has a new calf then they see a baby sea otter zoey says his mother passed away but it will be fine anyway then last they see the monkey house caillou spots a monkey that looks like Grandpa. Caillou's Daddy says another monkey looks like Caillou. That monkey then climbs a tree to say hello and Caillou becomes friends with the monkey.