Quinn's pet alpaca, Otis, is depressed because he misses her, leaving her feeling depressed as well. The girls then decide to try and cheer her up by throwing an alpaca-themed party. However, this only made her miss Otis even more and she left PCA to meet with him, which could get her suspended as it is the middle of the semester. Meanwhile, the guys make a bet to see who can go the longest without saying anything containing the letter 'S' and the person who loses has to run across the campus wearing nothing but a bikini top, a hula skirt, and a flashing red helmet.

Zoey's parents come for an unexpected visit to PCA and tell Zoey and Dustin that they are moving to England. Zoey's dad's business is starting a new branch in London. When offered to accompany the parents to London, Dustin quickly declines the offer, but Zoey decides to think about it first. Although Zoey treasures Chase's opinion, Chase had heard the rumor before Zoey gets a chance tell him about the news. This leads Chase to bitterly convince Zoey that she should go to London. In a cliffhanger ending, Zoey watches Chase admit his love to Zoey unknowingly via webcam. Meanwhile, Stacey pursues a singing career by singing a demo of a song called "Sassafras Tea".

Zoey's parents come for an unexpected visit to PCA and tell Zoey and Dustin that they are moving to England. Zoey's dad's business is starting a new branch in London. When offered to accompany the parents to London, Dustin quickly declines the offer, but Zoey decides to think about it first. Although Zoey treasures Chase's opinion, Chase had heard the rumor before Zoey gets a chance tell him about the news. This leads Chase to bitterly convince Zoey that she should go to London. In a cliffhanger ending, Zoey watches Chase admit his love to Zoey unknowingly via webcam. Meanwhile, Stacey pursues a singing career by singing a demo of a song called "Sassafras Tea".

Zoey, Chase, and Stacey take a walk down memory lane as prospective new students ask them about their experiences attending PCA. Stacey becomes upset when no one asks her any questions. Questions for Zoey and Chase include queries about dating, science and technology, and dress codes, among many other things.

When Chase, Zoey, Logan, Quinn, Michael and Lola hear about the legend of a former PCA student (Charles Galloway) that fled to Redstone Gulch because of an extremely hard exam, they decide to go check it out for themselves, along with help from Lola's crush. While there, they find the necklace of Charles Galloway. Logan steals the student's necklace and puts it in Zoey's backpack, causing a violent thunderstorm to form and a green cloud to come after Zoey and the others. Zoey must help save PCA by getting to Redstone Gulch and placing the necklace back where it came from. This is the second Zoey 101 TV movie.

When a school bully forces Dustin to do his homework for him, Zoey confronts the bully in public, embarrassing Dustin in the process and further enraging the bully. So Dustin decided that Zoey is babying him too much. He goes to Chase and Michael for advice and tries to tell Zoey that he can defend himself by his own. Meanwhile, Zoey, Nicole, Dana, Chase, and Michael try to hide their dog, Elvis away from their dorm advisor, since it's against school rules for having pets on campus. Logan did not appear in this episode.

Quinn has a crush on a boy named Mark, but is too afraid to ask him out. She asks Zoey to ask him out for her, resulting in Quinn thinking she's going out with Mark. Zoey, worried that Quinn will find out that she's not really going out with Mark, asks Chase to go on a double date with her, Mark,and Quinn. Meanwhile, Dustin takes care of Elvis while the other boys are busy, even though he's afraid of animals.

Every Halloween at PCA, the secondary makes a haunted house for the lower school. This year, Logan is in charge. He promises everybody that the haunted house will not just make them scream but it will make them cry. But when Dustin and his roommate, Jack, get "lost" in the haunted house, Logan starts to get scared and starts to wonder where Dustin and his roommate have gone. Michael gets chased all over PCA by some French tourists who think he is ill, and Nicole gets a case of mistaken identity when she chases Mark. Lola did not appear in this episode.

After a deceased relative of Zoey's sends her tons of boxes of ribs, Zoey, Chase, Micheal, and Logan agree to have a rib cook-off. After a fierce feud between Micheal and Logan, they decide to compete against each other with Zoey on Micheal's team, and Chase on Logan's. Quinn accidentally blows Mark's eyebrows off in an experiment gone awry.

Zoey begins life at PCA. She is nervous about the situation at first, but gets more comfortable when she meets her new friends; Dana, Quinn, Chase,Nicole, Logan, Michael. The girls and boys try to adjust to girls being allowed to attend PCA for the first time.

Chase and Michael start an online show, The Chase & Michael Show. Zoey and Logan have their own segment on it called "He Says, She Says" and it all goes wrong when all the boys and girls begin fighting, so Dean Rivers cancels their show. Meanwhile, Nicole is depressed because she is failing Algebra because of cute boys, so Quinn and Lola try to fix her problem by using a hypnotis technique.

Much to Zoey's dismay, Dustin is Logan's new assistant. However, the job is short-lived after Logan leaves Dustin an angry voicemail. Soon, everybody hears the message, and learns about Logan and his temper. Dean Rivers sentences Logan to anger management classes. While Logan learns that he can get out of the classes if he can just keep his cool, Zoey is not about to let that happen . Meanwhile, Lola is disgusted and furious to learn that the peanuts she ate were from Peanut Lemon-Ms that Quinn had spat out.

Prank Week, a PCA tradition where returning students prank new ones, has begun. The boys prank the girls multiple times, so the girls decide to prank the boys back (which violates tradition because new students are not supposed to do anything about it except getting pranked). The boys were supposed to keep a statue of the founder of PCA clean, so Zoey comes up with a prank and the girls put women's clothes on it. But when the son of PCA's founder sees it, he is very angry, and tells the girls that its going to be their last semester at PCA and that no more girls are going to PCA. So then after all the sadness from the girls, Zoey tries to figure out a way of how the girls can stay at PCA.

When Nicole pays for a backpack she messed up at the bookstore, she is broke and calling the backpack stupid. But when Zoey re-designed the backpack using her ideas, Nicole likes it and keeps it. Later on, Zoey's backpack idea is stolen from a girl named, Stacy and she makes a lot of money. So then Zoey and the gang try to seek revenge on her.

It's election time again, class presidents have to be voted for and Chase and Zoey end up nominating each other. Then they make pact of whatever happens, they promise that the election won't affect their friendship. But then later on, things get spicy between them.

The girls can no longer relax on the boy's dorm roof, thanks to Logan. To solve this problem, they must prove that boys can act the same with girls around. So, they transform Lola into 'Steve' and Steve goes to live with Chase and Logan.

Zoey and the gang are going to Logan's beach house for Spring Break. There they are testing Logan's father's new show called Gender Defenders. Meanwhile, Chase sends a text message by mistake to Zoey confessing his love for her.

A new "hot" Dean fills in for Dean Rivers because Dustin,Quinn, and Dustin's friends hit Dean Rivers with a model airplane by mistake.. Meanwhile, the girls' Dorm Advisor Coco has just been dumped by her boyfriend, Carl. Zoey and her friends set up Dean Taylor and Coco on a date at Sushi Rox because Coco keeps complaining about Carl.

Zoey's roommates, Nicole and Dana, constantly fight. So then, she decides to move in with the girl named, Quinn. After Zoey moves in, she thinks that it wasn't a good idea that she moved. So then, she wants to move back in with Nicole and Dana. But when she sees that Nicole and Dana are enjoying themselves after Zoey moves, she decides just to stay with Quinn, since she doesn't want to hurt her feelings. Meanwhile, Logan is pressuring Chase into keeping Zoey away from her roommates so Chase can spend more time with her.

Zoey is running The Big Walk, a charity walk-a-thon at PCA, and everyone is getting sponsors to donate. When Lola pledges more money than she can handle, only Zoey can help her. But after visiting the scary head of the charity organization, Zoey breaks it to Lola that they need to come up with the missing money or else. Meanwhile, Quinn and Logan are beginning to realize that they don't hate each other. But when Michael may have seen too much, they have to make sure that he and everyone else knows just how much they still dislike each other.

Zoey challenges some computer geeks to a Bot battle, but first they must build a Bot to compete. So the gang asks Quinn for help, but when Logan makes fun of her and everyone laughs, she decides not to help. So, they ask the smartest guy at PCA to help, but on one condition: Nicole must go on a date with him.

After a fire burns down Sushi Rox, Zoey and the gang hold a people auction to raise money in order to rebuild it. Chase and Michael get auctioned to the sushi-crazy gym teacher. Zoey, Lola, and Nicole become Logan's personal cheerleaders, and they are told to "cheer his awesomeness", as in cheer for everything he does. His plan backfires when the girls decide to cheer for everything he does.

A shocking ending from "Surprise" leads to yet another plot twist. Chase's girlfriend, Rebecca, seems really sweet, until she tells Zoey to stay away from Chase. After Chase learns about this, he must make a decision: Rebecca or Zoey. Meanwhile, Quinn is helping Logan with his free throws in basketball. Also, a new girl named Stacey Dillson gets her cotton swab dream house wrecked by Chase.

After seeing Zoey stopping a fight, the wrestling coach wants Zoey to join the team. But then when days pass, she doesn't get a chance to wrestle anyone. Then later on, she finds out that she will be wrestling in the tournament and facing the undefeated champion, Chuck Javers. Meanwhile, Lola wants to be a reporter and, thanks to Quinn, gets to be a commentator for the wrestling match.

Zoey and her friends must write a secret and tie it to a balloon for psychology class. However, Zoey's balloon gets stuck in a tree, and someone finds and learns Zoey's secret. The mysterious person begins blackmailing her, forcing Zoey to do various, cruel tasks. Who is blackmailing her? Meanwhile, Stacey gets a huge bout of bad luck.