Revealing mistake: When Kristen is running through the hallway with the girl in her arms you see that it is a doll. (00:07:00)
Revealing mistake: As Hi is racing after the baby, a close-up of his tired face driving the brown Caprice shows the gear selector is in "Park".
Revealing mistake: Shelly Long and Bette Midler are running on the beach trying to get in the helicopter's light. In the far shot, when they are running out from under some structure, you can EASILY see that it is two men in drag. They are taller, a bit more "husky" and are having a hard time running in heels.