Other: When Mary-Kate enters the hotel, she is wearing a red hat. When she goes to talk to James after checking in she has now got the same hat on in black.

Other: When they are playing polo on the field one guy scores a goal then when Mary-Kate scores the goal it is the same shot - the guy on the horse is in the same place during both shots.

Continuity: In the scene where everyone goes to the club, when they first enter you see Brian ask Rachel to dance, but then when you see Riley ask Brian to dance he says that he doesn't know how.

Continuity: In the scene where they go and visit Parliament, Ashley's hair is straight, but in the scene before and after, her hair is curly.

Continuity: In the scene where they come and get the hostages for the hold up Riley is sitting at the end of the table with Chloe sitting in the middle. When Chloe leaves, Riley is shown sitting in her place.

Continuity: At the polo field Brian is holding his teacup in his left hand. In the next shot of him it's in his right hand and in the next shot of him it's back in his left hand.

Continuity: Mary-Kate and Ashley go to London for the first time ever and have never seen the game 'Polo' before yet they are both experts on the game and can even win.

Other: At the beginning of the film when Dylan is filming them backstage he says, "Here is the Fairview team preparing," but the announcer on the loudspeaker calls them Lakeview high school and that is what they are called throughout the rest of the film.

Continuity: The students see a London bus approaching and run across the road to get on it. The approaching bus is a red RML-class AEC Routemaster with a grey stripe. The bus they actually get on, seen from the other side, is a shorter RM-class Routemaster. This one has a cream stripe and a gold London Transport fleetname.