Judy Greer, Neil Patrick Harris In 'The Good Dinosaur' Teaser Trailer

After a traumatic event unsettles a lively Apatosaurus named Arlo, he sets out on a remarkable journey, gaining an unlikely companion along the way - a human boy. This is the first look and teaser trailer for 'The Good Dinosaur' starring Judy Greer, Neil Patrick Harris, Bill Hader, Frances McDormand and John Lithgow.