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.

Another new year at PCA leads to surprises including the heart breaking news that Nicole will not be attending PCA this year because of her OMGD (obsessive male gender disorder). Thus, Nicole is sent to an all-girls school. After everyone settles into their new rooms, Chase tells Zoey he wants to talk with her privately. Lola and Quinn tell Zoey that Chase wants to tell her he's in love with her, but Zoey doesn't believe them. Meanwhile, Michael and Logan are fighting for the single bed in their new room. Chase decides not to ruin his friendship with Zoey, so he decides not to have a crush on her anymore by dating a new girl, Rebecca.

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.

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.

For the first time in Zoey 101, Zoey Brooks struggles with a class, Chemistry, where she scores a "C" on a test. She is given a new tutor; to her surprise, her tutor is Logan who happens to be one of the best pupils. Zoey starts learning Chemistry with Logan behind her friends' backs. All of her friends become suspicious, especially Chase. Chase tries to find out why, so Logan lies and says that Zoey is going out with him.

This time on Zoey 101, the Great Vince Blake appears to be the ladies' man, the best school athlete and the savior of the football team. He helped PCA advance to the state championships. Little do people know though, he is in fact a cheater as Chase catches him taking pictures of a history test with his cell phone. Chase must choose not to tell and let Vince cheat more or make PCA lose its biggest football game. Logan, Michael, and the football team convince him not to tell, but Zoey thinks he should. Meanwhile, Zoey, Lola, Quinn, and Mark put healthy snacks, called Moonbars, to try and persuade the students to stop eating junk food.

Zoey, Michael, and Lola are invited into a secret society at PCA. Chase is also invited to join, but he refuses. Meanwhile, Logan desperately wants to join and even pretends to be Chase in order to do so, but his disguise is quickly revealed. Then Logan starts to make his own club, The Logan X, which becomes unsuccessful. Also, Quinn acts weird around the new girl in school, Sara; it seems she's hiding something every time she's near her.

After developing a crush on Lisa (Lisa Tucker), Michael becomes too nervous to perform in the Open Mic night, causing him to throw up on her and making Lisa like another guy. Can Michael still get the girl of his dreams? Meanwhile, Logan and Chase are having a go-kart race.

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.

Chase's birthday is coming up but he's too busy writing a 5000 word paper to even care. When Zoey hears Chase and his grandmother share the same birthday she thinks she has the perfect gift for him, to bring his grandmother to PCA. Logan and Michael argue about the theme of Chase's party. However, the plan falls apart when Chase hears that his grandmother dies. Zoey hears it from Michael and she goes to comfort Chase even in the heavy rainstorm happening during the scene.

Zoey's date gets put on hold when the girls are quarantined in their room because Quinn made her own germ and spilled it all over the floor. Quinn calls some biology experts and is told that they have to stay in their room in order for the germ not to spread throughout the campus. While Zoey, Chase, Lola, Michael, Quinn, and Logan are quarantined, they all have problems. Meanwhile, Quinn thinks Mark is cheating on her.

Chase sells Zoey a "fada model #115" radio for $5 and a coupon for a free taco. Then Chase finds out it's worth $10,000 and wants it back, but Zoey won't give it back. When Chase tries to steal the radio at 2:00 in the morning, Zoey nails him with a pie. Quinn wants to kiss Mark.

A science star named Paige considers attending PCA and is going to install her new energy converter to make PCA run on Paige-power. This upsets Quinn so she decides to rebel when she realizes that she may no longer be the smartest girl on campus and she gives up science. Meanwhile, Michael thinks he's going crazy, but it was a joke for a class project.

Michael and Logan must help Chase become a wonderful dancer before the dance contest to dance with Zoey. Lola wants to get the main role in a play, but in the meantime, she tricks a British guy to get a date with him. Also, Michael and Logan and Quinn try to be customer of the week to get free coffee.

Zoey's dad signs a permission slip, allowing Zoey to go off campus to meet her favorite author. She asks Coco and Coco says she'll do it, but she has to do a favor for her. After this, it becomes a chain of favors. But can Zoey do it on time before it's too late? After Quinn admits to losing her "Quindows QP" a chain of events happen which lead to everything going wrong. Can Zoey still meet her favorite author?

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.

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.

After bringing up the legend of a former PCA student named Charles Galloway (Jeff Norkin), who fled to the wilderness above PCA at a place called Redstone Gulch because of an extremely hard test, the gang decides to go check it out for themselves, with help from Lola's crush, Leif, who then gets himself and Lola lost in the wilderness. There, they find the necklace of Charles L. Galloway. When the gang refuses to let Logan keep the necklace, which he says will be evidence that they proved the legend true, and make them famous at PCA, he steals it and puts it in Zoey's backpack, causing a violent thunderstorm to form a green cloud to come after Zoey and the others which causes Zoey to break her ankle. 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 two-part episode.

Logan's father sends him a package from Japan, complete with a new Japanese cell phone and a horror movie. When Dustin watches the horror movie, he becomes so frightened that he has to start sleeping in Zoey's dorm room. Meanwhile, someone is pulling the fire alarm in the boys' dorm room and the boys set out to find the culprit. All the while, Michael does his best to coin a new phrase... "Drippin'."

Zoey starts dating Dean Rivers' son. Meanwhile, Logan makes a dance video for girls so they can dance with him from the TV. Chase and Michael struggle to make 26 more cartoons for the end of the month, and end up getting sued by Friday Night Live for their idea of two bowling pins afraid of a bowling ball rolling towards them.

Zoey starts dating Dean Rivers' son. Meanwhile, Logan makes a dance video for girls so they can dance with him from the TV. Chase and Michael struggle to make 26 more cartoons for the end of the month, and end up getting sued by Friday Night Live for their idea of two bowling pins afraid of a bowling ball rolling towards them.

There is a contest to see who can keep their hand on a Blix van for the longest. The winner gets a private Blix jet for two to anywhere in the world, and many people are determined that they can win. Logan tries to win by lying about breaking his leg, scaring students off and sneezing on their hands. Meanwhile, Quinn uses a breath spray she made to cure her bad breath, but the side effect makes her laugh non-stop; Lola kisses Mark, which cures her. Michael and Lisa break up when Michael makes fun of Lisa's necklace, but they get back together. Eventually, only Zoey and Logan are left. They stay in the contest for 23 hours and 57 minutes, but Zoey ends the contest by saying that if both of them take their hands off at the same time, they both win. They count to three and Logan takes his off, but Zoey does not and she wins.

Logan is in trouble when his dad discovers that he's purchased a $327,000 car without his permission. That's when Mr. Reese steps in and takes control. He takes away Logan's valuables, such as closing his bank account and cutting his credit card in half. When Zoey, Lola and Chase see that Logan is in desperate need of help, Zoey does Logan's laundry, Lola helps him with his hair, Chase types out his report, and they all try to teach Logan how to fend for himself with no money, But realize he got his money back and Zoey, Lola, And Chase are still helping him. Meanwhile, Michael says he can get out of any difficultly tied ropes, so Mark and Quinn tie him up to see what he can do. Does he have the skills he says he has?

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".