Animal Adventure is a magazine story.
James was taking passengers to the Animal Park when a park ranger called out to him; a hippo had escaped! A little bit later, James spied the hippo next to a tunnel, happily wallowing in the mud. Soon, Harvey was summoned with a special animal cage. He was waiting at the other end of the tunnel. Eventually, the hippo strayed onto the track and James slowly herded it through the tunnel and into Harvey's waiting animal cage.