Plot: In the midst of a special memory lane ""Bandstand,"" Meg (Brittany Snow) copes with a hostile Bobby Darin (guest star Duncan Sheik) while attempting to help roving columnist Roxanne (Vanessa Lengies) land an interview with the hit singer. In the midst of the chaos, Jimmy Riley (guest star Jesse Hutch ) surprises his dance partner when he shares the big news that he joined the marines