Animated adventure set in an alternate world where the asteroid that led to the extinction of the dinosaurs missed Earth. As humans and dinosaurs live side by side, an apatosaurus named Arlo makes an unlikely new friend in the form of Spot. Featuring the voices of Jeffrey Wright (Poppa), Frances McDormand (Momma), Raymond Ochoa (Arlo), Sam Elliott (Butch), Anna Paquin (Ramsey), AJ Buckley (Nash), Steve Zahn (Thunderclap), Jack Bright (Spot), Peter Sohn (Pet Collector), John Ratzenberger (Earl), Mandy Freund (Downpour), Steven Clay Hunter (Coldfront), Jack McGraw (Young Arlo), Marcus Scribner (Buck) and Ryan Teeple (Young Buck).