Continuity mistake: When Ryan goes to say goodbye to Seth and Seth is sitting on his bed listening to his iPod, in one shot they are in his ears and the next they are out without him moving.
Continuity mistake: When Sandy, Kirsten and Rachel walk into the living room, Rachel's arms move position between shots.
Continuity mistake: While Sandy is singing and they all have their arms around each other, from the front, you see Alex is next to Zach, but from the back, Marissa is standing next to Alex and not Zach.
The Escape - S1-E7
Continuity mistake: After Summer calls Seth and Ryan from the bathroom to say she's found Marissa, she puts her phone on the shelf, and then goes back into the main room to find Marissa gone. Then as Summer walks out the door she shoves her phone back into her bag, even though she left it on the shelf.
Continuity mistake: Season 4 Episode 5 The Sleeping Beauty: When Taylor calls Ryan in the middle of the night (around 03:03 when he first checks), the second time Ryan checks the time on his radio it shows 03:23, however it jumps back to 03:04 when he looks again.
Continuity mistake: Sandy's hands change from being on the microphone and being in the air between shots while he's singing.
Continuity mistake: At the end of the game, when the whole group is in the lounge at the Cohens', Luke and Seth are versing each other on the PlayStation. However, the screen shows the game is only in single-player mode, but both Luke and Seth are using controllers.
Continuity mistake: Anna's sleeves change while she is playing video games in the student lounge.
Continuity mistake: When the camera is focusing on the pool at the hotel it slowly moves up and then we see Ryan and Seth walking down some stairs (in the upper left hand corner). We can see Ryan swinging his arms and he's not holding a drink, but in the next shot he's holding a drink.
The Escape - S1-E7
Continuity mistake: At the beginning of the episode when Seth is eating in the Crab Shack and talking to Ryan, he's holding his drink but in the behind shot he's bringing the drink to his mouth but in the front shot it's resting on the bench and again in the back shot he's sipping the drink but in the front shot it's nowhere near his mouth.
The Gamble - S1-E3
Continuity mistake: When Ryan's lunch tray gets knocked out of his hands in jail and the guy pushes him onto the table, a fork appears in his hands with no time to pick it up.
Continuity mistake: Marissa walks inside, pulls off her dress, and puts on her pink top, doesn't put on any pants but in the next shot she's wearing jeans.
The Shower - S1-E25
Continuity mistake: When Ryan and Marissa are play-fighting in the Balboa Bakery, their arms change position repeatedly.
The Escape - S1-E7
Continuity mistake: When Marissa and Ryan are out at the vending machine, Marissa hasn't got her cell phone with her, and she hasn't got any pockets, but then later when they are heading back inside just as it rings she is holding it.
The Heights - S1-E9
Continuity mistake: Jimmy brags to Marissa that he is having an "actual phone line" installed that day, when in the episode before he is seen using a cordless home phone when Julie rings him after Marissa ran away from the hospital.
Continuity mistake: When Oliver is singing along to "It's Not Unusual" by Tom Jones and is dumping all the pills onto the coffee table, the pills go from being all mixed up to in colour co-ordinated piles, and back and forth.
Continuity mistake: The lighter and packet jump into The Nana's hands after she stubs out her last cigarette.
Continuity mistake: When Summer screens the call from Seth at the airport, her phone opens without her flipping it.
The Escape - S1-E7
Continuity mistake: When Summer and Seth are arguing during the car trip to T.J., Summer's hands move from touching her hair to holding her bottle when she says, "You're Jewish?"
Continuity mistake: At the start, Summer and Marissa are talking about the weekend. Summer says something like, "I'm going mad over Seth Cohen." The camera swaps from Summer and Marissa. We see Summer first with her hair in front of her ear, then when we cut back after seeing Marissa, Summer's hair has gone to behind her ear.
Answer: She is referring the episode entitled: The Best Chrismukkah Ever, episode 13, season 1. She goes out christmas shopping with Ryan and gets stopped by a security when she is out by Ryan's car. He asks to look inside her bag and finds a stolen watch and some other stolen things.