Continuity mistake: At the end of the movie, when Alice grabs Dave and starts kissing him on the bench, she doesn't have any shoes on. A second later, in the next shot, she has flip flops on. Then the shot changes again and she is once again barefoot, without any shoes on. (01:29:40)
Continuity mistake: When Mike draws the line in the sand, a woman walks up in close proximity behind Dave. In subsequent shots in the same scene, she is gone, although there was not nearly enough time for her to move out of view in any direction.
