Animal Adventure is a magazine story.
James is taking passengers to the Animal Park when a park ranger calls out to him; a hippo has escaped! A little bit later, James spies the hippo next to a tunnel, happily wallowing in the mud. Soon, Harvey is summoned with a special animal cage. While waiting at the other end of the tunnel, the Hippo soon strays into the track and James slowly herds it through the tunnel and into Harvey's waiting animal cage.