You can also watch the Up trailer in High Definition on Yahoo
By tying thousands of balloon to his home, 78-year-old Carl Fredricksen sets out to fulfill his lifelong dream to see South America. Right after lifting off, however, he learns he isn't alone on his journey, since Russell, a wilderness explorer 70 years his junior, has inadvertently become a stowaway on the trip.
Pixar's Up is directed Pete Docter, one of the original Pixar members who directed Monsters, Inc previously and wrote the stories for Toy Story and Toy Story 2. The film is co-directed and written by Bob Peterson, who also wrote Finding Nemo. Disney will debut Up in theaters everywhere on May 29th this summer.