Lovable Sulley (John Goodman) and his wisecracking sidekick Mike Wazowski (Billy Crystal) are the top scare team at Monsters, Inc., the scream-processing factory in Monstropolis. But when a little girl named Boo wanders into their world, it's the monsters who are scared silly, and it's up to Sulley and Mike to keep her out of sight and get her back home.
Retired balloon salesman Carl Fredricksen, is ready for his last chance at high-flying excitement. Tying thousands of balloons to his house, Carl sets off to the lost world of his childhood dreams. Unbeknownst to Carl, an overeager 8-year-old Wilderness Explorer Russell is on Carl's front porch! The world's most unlikely duo meet fantastic friends like Dug, a dog with a special collar that allows him to speak, and Kevin, a rare 13-foot tall flightless bird. Stuck together in the wilds of the jungle, Carl realizes that sometimes life's biggest adventures aren't the ones you set out looking for.