Inciting Event: Sid discovers the dinosaur eggs.

First Plot Point: The mother dinosaur comes for her babies and kidnaps Sid.

First Pinch Point: The dinosaurs threaten Manny and the rest of the herd, and Buck saves them.

Midpoint: Sid and the dinosaur come to an understanding.

Second Pinch Point: Buck tells the herd about the huge killer dinosaur Rudy.

Third Plot Point: Ellie goes into labor.

Climax: Rudy attacks.

Climactic Moment: The mother dinosaur saves Sid and the herd from Rudy.

Resolution: The herd returns home, while Buck elects to stay in the dinosaur world.