Fergus was waiting in the truck for Farmer Bob. He knew he should stay there, but the park was too tempting. It looked so cool and inviting that he couldn't resist. But the park keeper discovers that Fergus is not on a lead and chases after him. Not only does Fergus have to use all his wits, but he also needs the help of his new-found friends to escape.
Percy the park keeper has been busy in his workshop for days. As his animal friends try to guess what he is making, Percy suddenly emerges sitting on top of a very strange machine. The animals jump aboard for what turns out to be a very bumpy ride...