Revealing mistake: When John picks his wife up at the airport, it's raining. But look at the people around outside, they are in T-shirts, in the sun, and not getting wet. Obviously the rain is being sprayed on the car.
Revealing mistake: When Marley is running away and jumps the fence, John follows and lands on a crashmat disguised as a flowerbed. If you watch closely there is movement in areas John is not by, and this movement is similar to that of a corner of a crash mat going up when someone lands on it.
