Kat Sawyer

When Seth visits Summer at Brown, he finds an empty dorm room. Meanwhile, Sandy and Kirsten take advantage of an opportunity to bond with Ryan, who is in a Taylor-induced haze, Kaitlin meets the mean girl of Harbour School and tries to best her by throwing a huge party at the Roberts house, and Julie learns that Newmatch is more than just a dating service. Elsewhere, the truth about Che comes out.

Summer and Che take their activism to a new level, resulting in more freedom than they expected. Meanwhile, after Julie flirts with a hot tennis instructor whom Kaitlin likes, the younger Cooper gets her revenge at a charity party - but later, Kaitlin helps save Julie and Kirsten's dating service. Attracted to Ryan, Taylor tries to cure his insomnia with her own therapeutic plan.

Rory makes a moving valedictory speech on graduation day; Rory discovers Lorelai is making a huge sacrifice to pay her tuition; Richard and Emily present their granddaughter with a lavish gift.