S6·E14 Liar, Liar, Pants on Fire (a.k.a. Betrayals in Boston)

Timber moves to Boston, crowding Jason, who isn't sure that he wants her there. Jason is angry that Timber lied about her drug use and that she stayed with another guy while they were apart. Timber attempts to win Jason back, but he wants to be left alone. Jason ends up forgiving Timber, but only after he goes to a party and ends up kissing another girl. Meanwhile, Montana's dual relationships with Matt and Vaj are coming to a head. Montana really likes Matt but decides to stay with Vaj. She dumps Matt, but then Vaj, jealous of her other relationship, dumps Montana. The roommates listen as Montana defends herself against Vaj's accusations. The roommates side with Vaj, saying Montana is the one at fault. Montana goes to New York to patch things up with Vaj, who wants to bury the past and concentrate on their future together.