Released:
1972-04-08

Overview:
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.

Director:
John Hubley

Runtime:
0h 25min

Genre:
Animation

• Cast:
• 
  Jack Warden
  as
  Rocco (voice)
• 
  Ray Hubley
  as
  Adam (voice)
• 
  Maureen Stapleton
  as
  Mother (voice)
• 
  Morris Carnovsky
  as
  Earl of Limestone (voice)
• 
  Phil Leeds
  as
  Pre-Cambrian Rocks (voice)