A boy and his dog take a wondrous trip under the earth's crust and through the geological eras of time, introducing children to geology in the form of a musical fantasy.

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Main Cast: Jack Warden, Ray Hubley, Maureen Stapleton, Morris Carnovsky, Phil Leeds, Harry Edison, Don Elliott, Ruth Price

Director: John Hubley

Writers: John Hubley, Faith Hubley

Editor:

Cinematographer:

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