 " Dinner Party " is the thirteenth episode of the fourth season of the American comedy television series The Office — the show 's sixty @-@ sixth episode overall . Written by the writing team of Lee Eisenberg and Gene Stupnitsky and directed by Paul Feig , the episode originally aired on NBC on April 10 , 2008 . Guest stars in the episode include Beth Grant , Steve Seagren , and Gary Weeks . 
