Gerry Fleck: She had dozens of boyfriends,
Cookie Fleck: Hundreds,
Gerry Fleck: Hundreds?
Cookie Fleck: Yeah, hundreds.
Gerry Fleck: Well, I did not know that.
Keep an eye on the audience members sitting behind Fred Willard and his partner during the final show scene. The man between them changes from an asian man in a pea green coat to a caucasion man in a tux within the same scene.
This isn't really a mistake, but it is pretty humorous. When Hamilton and Meg enter the airport with their dog, a "No Dogs Allowed" sticker can be seen on the sliding door.