Corrected entry: When Bolt and Mittens are about to stow away in the U-Haul Truck, the thinner guy loads up the truck and locks the back door. Before the door is closed, you can hear the truck's engine start. When the camera changes, the thin guy is in the driver's seat. The thin guy had the keys all along. So how did the truck start if he wasn't even in the driver's seat yet?
Skyline97
15th Nov 2010
Correction: There is a significant amount of time where the thin guy could have given the keys to the chubby one.