Factual errors

It is impossible for Fiona to have "gotten" everything when Sam's father died. Under California intestate succession law, Sam would have been entitled to half of everything her father owned before he married Fiona.

Character error

At the dance, Carter, as Zorro, says he learned to fence from "The Pirates of Penzance," by Sir W.S. Gilbert and Sir Arthur Sullivan Act 2, Scene 1. There is no fight scene in Act 2, Scene 1 of Pirates, the scene consists of a slow ballad sung by the female chorus.

Continuity

When Brianna and Gabriella fall off the diving board, Carter gets splashed only on his right side. When he walks back to Sam, his whole body is wet.

Revealing mistakes

When Carter is setting a timer on Sam's cell phone, the cell phone screen is black meaning that the phone is off.

Revealing mistakes

The movie takes place during a drought, but the lawn by the gazebo where Sam and Austin dance is perfectly green instead of brown like all the other lawns.

Anachronisms

When young Sam drives with her dad through town in 1994, a 2000 BMW X5 is on the side of the road.

Continuity

When Sam is in Rhonda's house, she is looking through items in a red bowl and says, "Rhonda, you sure do have a knack for taking something simple and making it beautiful." The mask is not in front of the red bowl at this time. She walks over to Rhonda and looks at the dress with her. When the camera goes back to the red bowl, the mask is propped up against it, though neither Rhonda nor Sam had time to place it there.

Incorrectly regarded as goofs

'The district attorney asks Fiona about her signature being on the witness line of her late husband's will, but witnesses are never legally allowed to be beneficiaries.' Fiona was not a beneficiary. Sam said she got everything, so Fiona would be allowed to sign as a witness. She didn't reveal that she knew Hal had a will, because then she would get everything.

Revealing mistakes

The movie takes place during a drought.When they are racing back to the dinner after the dance, the road is wet.

Factual errors

The Northridge Quake happened around 4:30 a.m. There is no way that Sam's father would have been reading her a bedtime story at that time.

Continuity

When Brianna and Gabriella fight at the car wash - Gabriella is wearing earrings in one shot which disappear in the next shot.

Revealing mistakes

At the football game at the end of the movie when the cheerleaders are in a line going down each one of the Fighting Frogs, on the other side of the field there is nobody in the stands not even a football team.

Crew or equipment visible

The camera and a crew member can clearly be seen in Gabriela's car when she is practicing her "speech" at the gas station.

Revealing mistakes

When David was introducing the bachelorettes to Austin, green tape marking where he should stand is visible.

Factual errors

Sam receives her acceptance letter to Princeton in early November, right after the Halloween dance. The earliest time Princeton would accept an application is November first, with notifications being mailed in early December.

Audio/visual unsynchronised

When Sam bumps into Terry at school, he walks away and says "Zion? Lieutenant Terry here", but his mouth doesn't move.

Continuity

In the beginning, Sam says that she's graduating a year early, but later on she appears to be a senior.

Character error

When Bobby and Eleanor are trying to convince Sam to go to the dance, Eleanor begins to say her next line too early, interrupting Bobby's line "put your freak on", about doing "whatever you kids do these days."

Revealing mistakes

When Sam hits the baseball over the fence, she does not follow through with the bat. Not only would the ball not go that far, the ball would have veered towards the right instead of the left towards Austin.

Continuity

Towards the end of the movie, during the football game, if you look at the scoreboard it says period not quarter.

Continuity

When Fiona places the material from the Princeton acceptance letter under her arm as Sam enters the room, the bottom document is a brochure with color and graphics. When Sam leaves the room Fiona takes the material out and on the bottom is a plain white sheet of paper.

Continuity

When Fiona is sitting on the tanning bed, the towel she is holding around her keeps shifting places between shots.

Continuity

While Shelby and her two friends are walking through the hall saying "Move" repeatedly, Madison's yellow covered textbook goes from the binding facing out to the pages facing the camera then back so that the binding is facing the camera again.

Factual errors

The football used during the final game has a half stripe. Half stripe balls are used in collegiate athletics. High school balls have a full stripe around the ball.

Revealing mistakes

In the scene where Carter hits the sign at the diner, it is obvious that a stunt driver is being used when the two cars are avoiding each other.

Boom mic visible

When Sam storms into the boys changing room to find Austin, as she walks past a metal screen there is a boom mic hanging down waiting for her to come around the corner.

Continuity

Sam's hair length and cut are different throughout the whole movie. When she is woken up at the beginning it is shorter and angled more, but when she is in the boy's locker room looking for Austin, it's long and with no angles.

Revealing mistakes

In the baseball scene you can see the baseball has a face sketched on it before he places it in the pitching machine

Continuity

When Austin is hanging a "looking for" poster in the high school, it moves around between shots of him talking to his friends.

Factual errors

All regulation high school football games across the nation only run in 12-minute quarters. The game starts the quarter with 15 minutes on the clock, the time limit played at the college and professional levels.

Continuity

When Brianna and Gabriella are fighting in the car wash, Brianna jumps onto Gabriella's shoulders while soap starts spraying all over them. On the shots with the camera looking up at them, the soap is spraying on both of them, but when the camera goes to an overhead shot, the soap is only spraying on Gabriella.

Continuity

When Austin comes into Sam's restaurant to get some coffee, Sam's hair changes from being in a long pony tail to in a loose bun pony tail.

Continuity

At the end of the film, the position of the part of the shirt covering Fiona's left shoulder changes between shots.

Continuity

After Sam receives her first text message from her "secret admirer" she tells Carter "I'll see you later" and turns to go the other direction. In the next cut, she turns around again.

Continuity

When David is trying to get Shelby, and Carter tells him to back off, he brandishes his sword that has a round handle but when David snaps it, it has a flat handle.

Continuity

When Carter and Sam are hurrying to get back to the diner, they pass the same Jiffy Lube and at least one of the same cars (the Volvo) in the background several times.

Continuity

When Austin is asking Sam to the homecoming dance the book in the background keeps changing.

Continuity

When Sam runs away from Austin you can see the bottom of her dress is brown with dirt, but when we see her run up the stairs shortly after, the bottom of her dress is pure white again

Revealing mistakes

In the scene where Austin and his friends walk down the hall to post more signs for the lost cell phone, white tape to mark the beginning of their stroll is eventually visible.

Continuity

When shooting sports scenes, the extras are moved from one side to the other depending where the camera is.

Continuity

When everyone quits their Diner jobs, Brianna and Gabriella switch places from shot to shot many times.

Crew or equipment visible

When Sam walks into the pool yard to see Fiona, a shadow of a boom mic can be seen on the ground behind her.

Revealing mistakes

When Brianna and Gabriella are at the car wash, Gabriella grabs a windshield squeegee. In the first shot, the plastic side is facing outwards, but when Brianna starts to run away, the squeegee is flipped so that the wet side is facing out.

Errors in geography

The address shown on Sam's and Austin's Princeton acceptance letters are different, and neither of them are actually the correct address.

Revealing mistakes

If you look closer at the rejection letter Fiona forged, you can see she only changed the first line (a phrase along the lines of "mail in documents as soon as possible" is visible).