Cat and Mark try to find their missing little brother. Scott attempts to ask out Laurel. Anika spreads rumours about Laurel. Mark and Laurel meet for the first time. Jen finds Travis, Mark's little brother sleeping in her car. Gil accidently insults Chris. Erin spies Mark and Laurel having coffee together. Cat busts Mark on his email from Laurel.

Anika tries to rekindle Mark and Laurel's romance. Kat gets expelled from school and Jennifer considers getting back together with Mark.

Erin and Anika revel in the attention their website is getting, while denying to Chris that it's their doing. Laurel tries to decide whether to end things with Mark. Jen worries about her brother's court date. Craig continues to support Kat, while she develops a crush on him.

Jennifer walks in on Laurel and Mark during an intimate moment. Erin and Anika get into trouble because of their Web site about Chris. Craig has a difficult time cancelling his date with Kat.

While Jennifer and Shannon try to figure out Anika's campaign strategy, Anika and Chris attempt to come up with a plan to use Shannon's poem against her. Mark and Laurel discuss their future.

While the election results are announced pitting Anika against Shannon, Laurel and Mark meet for the very last time but things don't go quite as planned.

A family crisis causes Mark and Laurel to put off their plans to move in together. Meanwhile, Anika starts a food-bank campaign to disprove claims that she's shallow and Chris becomes even more infatuated with Jennifer.

Gil posts a list of the ""hottest"" girls at his school on the Internet, which could jeopardize Kevin & Erin's growing courtship. Meanwhile, Laurel becomes increasingly stressed about finding a place of her own to live, and Anika enlists Bekka's help to petition against Jennifer's newspaper editorials.

Anika decides to get back at Jennifer for refusing to write a glowing editorial for her. Meanwhile, Laurel and Mark make up, and Erin and Kevin become a couple.

Kat decides to move back home and clashes with Laurel. Meanwhile, Maggie is on a search for a roommate, Anika is accused of plagerisma and sells out Erin, in order to save herself, and Chris and Jen get closer.

Laurel becomes upset when Mark's friends ruin her plans for a romantic dinner. Meanwhile, Jen and Chris's relationship is put to the test when Derek returns from jail, and Shannon helps Craig with a benefit concert.

Laurel worries that Mark's new job will keep them apart. Meanwhile, Jen asks Chris to apologize to Derek and Anika is impeached after helping Craig with a project.

Craig realizes he has feelings for Anika after finding out that she plans to transfer to another school. Meanwhile, Laurel becomes upset when Josh sharply criticizes her film.

Jennifer and Shannon get into a heated argument at Laurel's slumber party. Meanwhile, Kat finds out her anonymous online friend lives nearby, and Kevin becomes upset when he sees Erin flirting with Mark.

Derek's temper frightens Laurel after he loses his job. Meanwhile, Kat finds out the identity of her long-term Internet correspondent, Demonslayer, and Josh tells Laurel how he feels about her.

Craig tries to steal the limelight from Anika when she plans a special video screening, but it only ends up bringing them closer. Meanwhile, Laurel finds out Mark is failing at school, Kat tries to avoid Gil, and Chris woos Jen with opera tickets.

An angry Mark discovers Josh knows about his problems at school. Meanwhile, Laurel's video diary falls into the wrong hands, and Anika is hurt when she finds out Craig doesn't like his makeover.

Mark and Laurel's relationship is put to the test after Mark sees Laurel's video diary. Meanwhile, Anika and Erin get into a fight over Craig.

Mark anxiously awaits Laurel's return from Houston, and Jennifer learns Shannon is no longer living at home because she came out to her parents. Meanwhile, Mitch, a new student at McKinley, ruffles Anika's feathers when he bullies her cousin.

Craig breaks up with Anika and Mark's French lessons grow tense when Laurel becomes his tutor. Meanwhile, a homeless Shannon moves in with Jennifer.

Laurel becomes jealous when Mark and Tracey work together at a school car wash. Meanwhile, when Kat agrees to go on a date with Gil, he soon learns she has an ulterior motive and Jen & Chris hit a snag in their relationship.

Laurel and Mark attempt to move on with their lives, by puttingt the past behind them. Meanwhile, Gil thwarts Bekka's attempt to ask out Kevin and Craig attempts to thwart ""the man"".

A shocked Jennifer discovers the reason why she's been feeling sick. Meanwhile, Craig and Kat debate on the school radio, and Kevin applies for a job at the warehouse, in order to make money to take out Bekka.

Mark is shocked when Paige arrives for work with her baby. Meanwhile, at Chris's 18th birthday, Jennifer grapples with how to tell him about her pregnancy and Bekka decides to teach Gil a lesson when he interferes in her & Kevin's relationship.

Craig and Shannon call Gil's bluff on a dare, but their plans to rig the outcome are thwarted by an interfering Anika. Meanwhile, Mark encourages Paige to go back to school and Jen & Chris find themselves at a crossroads about their situation.