Jimmy desperately wants to make the basketball team. But surprisingly, it looks like Sean is surpassing him as a possible star player. Adding to Jimmy's pressure is his academic status – he's been given a few warnings since he can't seem to balance school and sports. When he convinces hyperactive Spinner to skip a Ritalin pill and give it to him instead, he plays a great game – but not as a team player.

Emma believes that something is going on between Mr. Armstrong and Liberty. Before long, a rumor has spread throughout the school. Meanwhile, Spinner finds a bug in his cafeteria lunch.

Jimmy and Spinner receive detention with Ms. Kwan and later, they decide to get revenge. Meanwhile, Emma and Sean's first date goes awry.

With their parents away for the weekend, Ashley and Toby have a party at their house. Ashley tries an ecstasy pill to seem more fun, but her plan backfires.

JT the class clown gets in trouble and spends the week afterschool with the hot science teacher Ms. Haztilakos but along the way he finds that she is a person not just a hot teacher and he earns her respect.

Jimmy and Spinner are starting to tell the truth forever and end up with unexpected results.

Liberty can't believe that she didn't make the Girls's hockey team. So, when the coach asks her to be the team manager, Liberty puts all her energy into it. She ends up challenging the boy's basketball team to a game to get new uniforms sponsored by Jeremiah Motors. During the game Liberty becomes too much for the team so they quit. Liberty has to find a way to get the girls back into team spirit.

After reading Paige's palm, Terri is freaked out. Paige has no lifeline! Her days are numbered! Paige and Hazel discover Terri has made a mistake, but they decided to have some fun with her.

There's a big gymnastics meet at Degrassi, and Manny's going to lead the team to gold! But when she starts to feel sick, she fears that her queasy stomach might be more than the flu or even a case of bad nerves. And she's suddenly not sure she and Craig used protection when they had sex. Not knowing where to turn (it's sure not going to be her strict mom), Manny turns to Emma's mom Spike, the one person she knows who's been in her shoes. When Manny's worst fears are realized, she finds support from Spike, Emma and even Craig, who takes the news surprisingly well. Toby's feeling more and more shut out of JT's new world of hanging with the cool kids, especially when Jimmy invites JT to DJ Mad Bullets concert. So Toby comes up with a plan to win Jimmy over: he'll hack into the school's computer system and alter Jimmy's math grade. After all, if there's one thing a nerd like Toby knows, it's computers! So what can go wrong?

Emma tries to endorse Purple Dragon drinks, meanwhile Mia teaches Sav how to kiss.

Emma starts doing pot to get rid of her "plain girl" image. After ingesting marijuana brownies and forgetting to take her insulin, Becca goes into a diabetic coma and has to be taken to the hospital. While in class, Emma learns that the campus cops are doing room searches. She calls Kelly to get rid of the marijuana brownies. When Kelly is leaving the room, he runs into campus cops and they find the marijuana brownies. He gets kicked out residence but is still allowed to go to school. K.C. is found to be living in a group home because of his previous life in juvie.