Traycee is driving Lisa crazy as a roommate. Traycee's late-night parties make it hard for her to study, she doesn't remember to give Lisa her phone messages, and she interrupts Scott and Lisa when they are alone. Frustrated, Lisa types up a list of house rules for Traycee to follow, which leads to a big blow-up between the roommates and Traycee says she'll move out. Meanwhile, Murray has gained Alex's admiration after he rescues a baby sea lion. It's obvious to Jason that Alex is getting interested in Murray. After she buys him a present, Murray asks Alex out. But his personality has changed around her. He now puts on an act like he's an ultra-smooth player, and Alex doesn't like it. Traycee moves in with the Collins men temporarily and they love it at first, as she caters a big breakfast for them and gets them free cable. Lisa drops by to see how things are going. She thinks that the boys will be ready to throw Traycee out in a few days, but they are enjoying having her and her good-