'Doctor Dolittle's Circus' is the story we all know and love that was adapted into the wonderful Rex Harrison film. To raise money for a trip to Africa Doctor Dolittle contacts a local circus and offers them the once in a lifetime opportunity of having the most rare animal on Earth, the Pushmi-Pullyu, perform in their circus. Of course, with Doctor Dolittle's involvement nothing goes as planned and the doctor finds himself once against launched on another grand adventure.