Laurel's plans for a romantic dinner with Mark go awry. Shannon mistakenly reveals her secret; Derek returns from jail. Full-scale war erupts between Anika and Erin. ...

Anika and Chris plot how to use Shannon's poem against her. Jennifer and Shannon cope with the growing mystery of Anika's campaign focus. Gil and Kevin face another fight ...

Laurel and Mark are blind-sided by the news that Laurel is leaving much sooner than expected. Gil and Kevin prepare to do battle over Erin. Jen discovers that Shannon has ...

Kat plans a weekend getaway with Kurt. Shannon breaks up with Craig. Kevin can't figure out why Erin and Brenda are mad at him. Chris redeems himself in an unexpected way ...

Mark discovers a bottle of vodka hidden in the rec room. Erin finds out about Kevin's date with Brenda and decides to put a stop to it. Laurel questions Shannon's feeling ...

Laurel and Mark disagree on the ending to her video while Craig and Shannon worry about their on-screen kiss. Jennifer has an ugly run-in with Chris. Seeing Chris' cool-f ...

Mark discovers Laurel is moving back to Toronto. At the same time, Jen enlists his help to stop Derek from taking off to Mexico. Erin thinks her feelings for Kevin are re ...

Jen decides to go to the school dance solo - and winds up having one of the worst nights of her life. Things between Mark and Laurel are still tense after his discovery t ...

Derek's community service at the school takes a bad turn when he gets into an altercation with Chris. Jennifer tries to set Shannon up with Jordan and it causes a rift in ...

Jennifer walks in on Mark and Laurel kissing; Erin and Anika's website on Chris lands them in hot water. Mark finds out he doesn't know Laurel as well as he thinks. Craig ...

Things heat up on the Chris Laidlaw website. Laurel breaks things off with Mark and then makes up with him again. Kat's crush on Craig intensifies by the minute. Craig pe ...

Craig organizes a school rally to support Kat's cause, Kat plants doubts in Laurel's mind about Mark's relationship with Jen. Erin and Anika befriend Kelsey to get at Chr ...

Anika starts a betting pool, Mark and Laurel are paired for a class assignment with interesting end results, and Anika pushes Chris to his breaking point driving him to T ...