On their first free Friday night, Lorelai and Rory are at a loss over how to spend the evening, while Emily and Richard cavort at the party they're hosting; Lorelai is appointed Grad Night Treasurer and runs into a playing-it-cool Max at her first Chilton Booster Club meeting; Lane's band gets their first gig at a party and rocks the house, but Dave rocks Lane's world when he flips out