Watch: First official trailer of 'The Good Dinosaur'

Pixar releases the first official trailer of The Good Dinosaur, set to release November 25, 2015.

The God Dinosaur is a story of a young Apatosaurus, Arlo, who gets separated from his pack and must find his way back home to his family. Along the way, Arlo meets a young human that he names Spot. It's a story where dinosaur is the boy and the boy is his dog.

Voice cast of The Good Dinosaur features Judy Greer, Neil Patrick Harris, Bill Hader, Frances McDormand, John Lithgow, and Lucas Neff.

Watch: The Good Dinosaur trailer