Chunky is a young hippopotamus who lives in Africa. He is a happy and playful hippo, and he loves to explore his surroundings. One day, Chunky's parents decide to take him to the circus. Chunky is excited to see all the different animals and performers, and he quickly makes friends with a group of other young animals. Together, they go on a series of adventures, including a trip to the zoo and a ride on a roller coaster. Along the way, Chunky learns about the importance of friendship and family, and he discovers that even the smallest of creatures can make a big difference in the world.