This live-action/animated film is based on Norton Juster's 1961 children's book of the same name. The film was directed by Chuck Jones, Mel Blanc provided several of the voices, and the live action portions were by Dave Monahan. Produced by MGM Animation/Visual Arts, and distributed by Metro-Goldwyn-Mayer, and was their first animated feature film.
Milo (Butch Patrick), a bored, lonely boy who lives in a city apartment block, is surprised by the sudden arrival of a large, gift-wrapped package. Inside is a tollbooth, which turns out to be a gateway into a magical parallel universe. As Milo passes through the tollbooth, the character moves from live action to animation, and his toy car transports him to the enchanted Kingdom of Wisdom and the cities of Digitopolis and Dictionopolis, where he must rescue ‘Rhyme’ and ‘Reason’, royalty of the two kingdoms…