S7, E20: Rachel's friend, Melissa, from college shows up at the coffee house which brings back memories of their "closer" days. Then when Melissa can't remember that special night in their senior year, Rachel goes to great lengths to prove to Phoebe that there was really a kiss. Meanwhile, Chandler and Ross argue for possession of Val Kilmer's tuxedo. Also, Joey drives Monica crazy when he insists that the wedding be arranged around his parents' schedule.