Other mistake: When Mac and Sydney are in the boat waiting to get the diamond, the boat tips and Sydney's wig starts to come off. The same thing happens when they fall down the steps.
Our Lips Are Sealed (2000)
1 other mistake
Directed by: Craig Shapiro
Starring: Mary-Kate Olsen, Ashley Olsen, Jim Meskimen, Tamara Clatterbuck
Continuity mistake: When Mac and Sydney get caught by the girls and Mary-Kate goes to put nailpolish on Mac, she holds up red nailpolish. When it shows his nails, there is no red nailpolish on.
Ashley Parker: Uh, Your frisbee's broken.