S2, E2: Carrie and Walt are faced with kicking out their new room mate when she makes herself too comfortable. Walt summons the courage to tell Bennet (recurring guest star Jake Robinson) how he feels about him at his 18th birthday bash — at a VIP concert for the radio station Z100 featuring indie rock band American Authors — but things go horribly awry before Bennet can respond. Samantha and Mouse meet, and Samantha wastes no time giving Mouse sex tips. Back in Castlebury, Sebastian and Maggie run into each other; and the evening doesn't go exactly as planned when Tom invites his girlfriend, Deb (recurring guest star Nadia Dajani – The Big C, Ned and Stacey), to spend the weekend with him.