The Planeteers travel back in time of pursuit of Hoogish Gredly and Sly Sludge, who intend to purchase the Grand Canyon decades before it becomes a landmark and use it as a land-fill
Elenco:
Frank Welker
,
Joey Dedio
,
LeVar Burton
,
Whoopi Goldberg
,
Janice Kawaye
,
Kath Soucie
,
Scott Menville
,
Buster Jones
,
Clyde Kusatsu
,
David Warner
,
Dean Stockwell
,
Edgar Gilbert
,
George Hearn
,
James Coburn
,
Jim Cummings
,
Lewis Arquette
,
Margot Kidder
,
Martin Sheen
,
Tim Curry
,
Whoopi Goldberg
.