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.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 51 | July 19, 2006 (85) | |
 | - | - | |
 | 46 | March 12, 2006 (80) | |
 | 74 | September 1, 1992 (94) | |
 | 56 | August 16, 1998 (82) | |
 | 56 | July 27, 1999 (83) | |
| - | - | |
| - | - |