It's a brand new year at PCA, but everybody learns that Nicole had to go to an all girls' school (has boy crazy syndrome). The bad news is that they are losing their roommate. Zoey and Lola are worried about Quinn being their roommate, because of Quinn's doing all of these weird experiments. What else can go wrong? Zoey gets a whole new surprise, when she finds Chase doing something she didn't want to see.

Chase's girlfriend seems really sweet, until she tells Zoey to stay away from Chase. Meanwhile, Quinn helps Logan with his foul shooting. At first, she doesn't want to help Logan, but she wants revenge for his calling her a spaz. Her tutorial is brutal. Finally, Chase has to choose either to break up with his girlfriend so that he doesn't lose his friendship with Zoey, or d stay with her and ruin his friendship with Zoey.

The gang accidentally injures Dean Rivers by crashing a model airplane into him. Zoey decides to try and fix Coco with the new Dean in school.

Zoey is not doing so well in Science. To her surprise, Logan will be her new tutor. Chase has no clue about it, and just notices that she and Logan are spending a lot of time with each other. So he suspects something is going on. Meanwhile, Dana and Lola can't stand Quinn's disgusting inventions.

Vince Blake is the greatest football player ever to be at PCA. He's not so great when he has to use his head though. Chase leaves his TekMate in his history teacher's classroom, and when he goes to get it, Vince is in there, taking pictures of the test. If Chase tells, the whole school will hate him and Vince won't be able to play, not to mention getting beat up by the team. If he doesn't, Vince will get away with it and continue doing it. What will Chase choose?

Logan wants to join the Silver Hammer Society, which basically is a private club. While Chase finds it dumb, everyone but Logan becomes members. Logan, becoming frustrated, steals Chase's badge that he threw away. Once finally kicked out, Logan decides to create his own club. Meanwhile, a new girl comes to PCA, and she keeps thinking that she remembers Quinn from somewhere. Quinn, embarrassed to know her, disagrees, and forbids her friends to see the girl.

Michael sets his eyes on winning Open Mic Night, but gets distracted by Zoey's beautiful friend, Lisa.

Zoey joins the wrestling team, and soon might have to go up against the most vicious wrestler around. Lola wants to be a reporter.

For Psychology class, Zoey and the gang write their deepest secrets out and tie them to balloons.

Chase's birthday is coming up, but he does not want a party because he has to write an English paper. However, his friends insist on throwing him a surprise party, and Zoey has the perfect present for him after hearing about his special bond with his grandmother: She tries to get his grandmother to the campus so he can hang out with her, but that plan eventually falls apart when she gets the flu. Meanwhile, Dustin gets his hand stuck in a chocolate pay machine, but doesn't want Zoey to know because he promised her not to get in trouble, so he asks Quinn and Lola to fix the problem.

Quinn accidentally develops a new germ while making a chemical to keep a girl away from Mark. Zoey, Lola, Chase, Logan, and Michael get trapped in the girls' dorm room, until they confirm that the germ is not dangerous.

Chase asks his grandfather for an MP3 player, but all he gets is an old radio. As he thinks it is just scrap, he sells it to Zoey for five dollars and a taco coupon. But then Zoey and her roommates find out it is actually worth over 10,000 dollars, and they debate whether she should give it back to Chase or not. Zoey eventually decides that she should. But when Chase learns what it is worth before Zoey gets the chance to give it back, he gets angry at her because he thought she was going to keep it without telling him, and when he accuses her of being a bad friend, she gets mad at him too. Meanwhile, Quinn and Mark has never kissed, despite being in a relationship for two years, and Quinn is determined to do something about it.

A new science prodigy named Paige Howard transfers to PCA, turns out to be smarter than Quinn, especially when she makes her own home-built energy converter for the school. This makes Quinn realize she's no longer the smartest girl at school and causes her to give up her interest in science. Chase and Logan carry out a "gaslighting" experiment on Michael as part of their psychology class.

PCA is holding a dance contest, and Zoey wants to participate, but Michael and Logan are both temporarily banned from school activities, so none of them can't be her partner. When Chase volunteers, she blows him off by saying he can't dance. Zoey's supposed dance partner, Gene, is seriously hurt in a huge accident caused by Logan - two days before the contest. Chase feels bad for Zoey, so he begs Michael and Logan to teach him how to dance so he can surprise her by partnering up with her. Meanwhile, Lola is auditioning for a role that requires a British accent in a play at school, and she meets a cute British boy named Simon. Also, Quinn, Michael and Logan compete to become "Customer of the Week" at the coffee place on campus.

Zoey is heading out of campus to meet J.T. Hawthorne, but when her supposed driver is about to have a baby, she asks Coco to drive her instead. However, things get complicated when Coco needs a favor from Michael, who again needs a favor from Stacey, who again needs a favor from Logan, who again needs a favor from Dustin, who again needs a favor from Lola, who again needs a favor from Chase, who again needs a favor from Zoey and Lola, who again need a favor from the nerd group, who again need a favor from Quinn, making a complete favor chain, where all threads has to work perfectly. Meanwhile, Chase shows unexpected knowledge of comic books, so the nerd group stalk him around campus because they now see an opportunity to hang out with someone popular.

Zoey gets a surprising package from her uncle, and uses it to have a barbecue contest. The only problem is that they find they've been joined by an unexpected impostor.

Do ghosts exist? At PCA nobody thought so until they heard the story of Charles Galloway, a former PCA student who supposedly disappeared.

Logan's father sends him a package from Japan, complete with a new Japanese cell phone and a horror movie.

Zoey has a new boyfriend named Lance, who is the son of Dean Rivers. Lola and Quinn initially love him because of a couple of favors they did them. But when he rigs a competition so he and Zoey can go to an exclusive movie premiere that everyone at PCA wanted to go to, this creates a rift between them - especially since Zoey doesn't believe them. Meanwhile, Chase and Michael's cartoon web show is a hit, but when their latest video (which was actually Logan's idea) turns out to be a rip-off of a sketch in a national TV show, they must face a lawsuit.

It's time for the national Blix Van Contest, a contest which takes place at several high schools across the country. The rules are easy: whoever has their hand on the van the longest, wins a trip for two in a private Blix jet to anywhere in the world. Logan fakes a broken leg in order to sit in a chair during the contest and sabotages his opponents. Also, Michael and Lisa break up while still in the contest. Meanwhile, Mark points out that Quinn's breath smells when they kiss, leading Quinn to believe she has a breath problem. She naturally makes a mixture against it, which as usual has its downside.

Logan's friends make him realize that his dad's money isn't enough to get him into a good college, so he decides to start an extracurricular activity: Miss PCA, a beauty contest where the goal is for him to select PCA's prettiest girl. Zoey and Lola initially find the idea sexist, but change their minds when they learn that the winner will be featured in the popular Buzz Magazine. Their friendship is put to a test when Lola thinks Zoey intentionally picked out a better dress for herself than she did for her. Meanwhile, Michael's jokes amuse everyone in the group - except Quinn, who never laughs at anything he says or does. Annoyed by that fact, he sets out to find something he can do that will make her laugh.

Logan buys a car which is worth 327,000 dollars with his dad's credit card, even though he is not allowed to drive, so he can make out with girls in it. But when his dad finds out, he is furious and strips him of everything related to money, including chequebooks and credit cards, and also all the stuff he bought for it, like the plasma screen, the laptop and the stereo. Now Logan has to learn to live without money for the first time in his life. Meanwhile, Michael bets Mark and Quinn that he can escape from being tied up in ropes, no matter how they do it.

Zoey is offered a chance to move to London with her parents.