Revealing mistake: When Cam punches the dog, you can tell that the footage was sped up.
The Campaign (2012)
1 revealing mistake
Directed by: Jay Roach
Starring: Will Ferrell, Zach Galifianakis, Jason Sudeikis, Dylan McDermott
Genres: Comedy
Other mistake: Cam says he ran for fifth grade class president on a platform of getting rid of a dangerous playground slide. Marty later says he voted for him, but that he was in fourth grade at the time, which would have made him ineligible to vote.