A nearby meteorite crash blocks off the dinosaurs' water supply, starting an ecological chain-reaction that threatens life in the valley. All the dinosaurs, including a group of stupid bullies, must cooperate in an effort to free the blockage, which involves a risky venture outside the valley.

Starring:

Candace Hutson, Frank Welker, Heather Hogan, Jeff Bennett, John Ingle, Kenneth Mars, Linda Gary, Nicholas Guest, Rob Paulsen, Scott McAfee, Scott Menville, Tress MacNeille, Whit Hertford

Genre:

Animation, Family, Adventure