Chris Kerner

Kaitlin stirs up trouble for the gang as she prepares to celebrate her birthday. Sandy encourages Seth about college, but Seth finds a better alternative.

Tragedy strikes the friends. Johnny's cousin arrives. Ryan questions his and Marissa's relationship. Kaitlin leaves. Kirsten and Julie plan a Valentine's Day party.

Ryan struggles with the decision of whether or not to invite Marissa to his birthday party, and Sandy wants to include one of Ryan's relatives in the celebration. Meanwhile, Julie and Dr. Roberts come clean with Summer and Marissa.

Ryan's nemesis returns to Newport. Taylor tries to solve Seth and Summer's problem. Marissa is all alone in Newport. Sandy grapples with business pressure.

Julie and Dr. Roberts announce their engagement. Marissa seeks solace with bad boy Volchok. Ryan tries to move on with Sadie, but Seth's concern for Marissa gets in the way.

The friends go to their college orientations. Seth sees Anna at Brown, and they instantly connect. Kirsten and Sandy attend a hospital benefit where Kirsten vents her frustration.