Overview
When the dinosaur families get trapped in a valley by an ice storm, one family of "spike tail" dinosaurs volunteers to leave since they consume more food than the others. Meanwhile, the young dinos and a new adult dinosaur named Mr. Thicknose, head out to bring back their friend Spike, who has left his friends to be with members of his own species.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 73 | September 16, 2012 (84) | |
 | 45 | 69 | |
 | 13 | 37 | |
 | 22 | 45 | |
 | 39 | 62 | |
 | 54 | 78 | |
 | 11 | 35 | |
 | 66 | February 12, 2011 (75) | |
 | 49 | 73 | |
 | 74 | October 24, 2017 (89) |