Other mistake: When Sam calls Mike a dirty dog, pay attention to the drinks machine behind him. All the brand names are crossed out. Brands include Coca-Cola and Sprite. (00:02:10)
Continuity mistake: When Mike takes the dog for a walk, the remote control keeps changing from on the table to on the floor and back between shots. (00:15:20)
Continuity mistake: In the morning Molly says the eggs are perfectly fluffy. When she does her fork is lowered. However, as the shot changes she lowers her fork even though it was down before. (00:18:40)