Back at the Barnyard (2007)

Season 2: Episode 9

The animals feel bad for the Farmer after seeing that everyone forgot his birthday, so they decide to throw him a party and tell him it's a dream, but the Farmer gets carried away. He does this by stealing a motorcycle from a gang of bikers and then believes that the motorcycle can fly so he takes the veterinarian with him. But he forgot that it doesn't and he and the veterinarian ends up falling to the ground below. So Otis hurries to save them before they fall to their death.