|Species :||Tyrannosaurus rex|
|Time period :||Late Cretaceous period 66|
|Primary diet :||Carnivore|
|In the series|
|Fatalities caused :||0|
|Appearances :||End Game|
As he gets older he plays with an Ankylosaurus and receives an injury.
Just as the asteroid hits, he chases two Troodons into a cave. When he comes out, he finds his parents dead and he also finds a small mammal, but upon chasing it he ultimately falls to his death. His body was later found by a female Troodon who scavenges his carcass, and later the same Troodon decides to make Junior's mouth it's new nest and puts it's egg that she had carried over inside his mouth and cares for it until the very end.