S04E06: 'The Summer Bummer'

When Seth visits Summer at Brown, he finds an empty dorm room, and Sandy and Kirsten find an opportunity to bond with Ryan, who is in a Taylor-induced haze.

Kaitlin meets the mean girl of Harbor School and takes her down by throwing a rager at the Roberts house.

Meanwhile, Julie Cooper learns that Newmatch is more than a dating service and the truth about Che comes out.