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.

---

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

Director: John Hubley

Writers: Faith Hubley, John Hubley

Editor:

Cinematographer:

---

Popular Double Features