in which season is the episode "dinner party"?
Fourth season
Dinner Party (The Office)
"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.
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Dinner Party (The Office) [SEP] Introduction
"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. The series—presented as if it were a real documentary—depicts the everyday lives of office employees in the Scranton, Pennsylvania, branch of the fictional Dunder Mifflin Paper Company. In the episode, Michael Scott and his girlfriend Jan Levinson (Melora Hardin), the former Vice-President of Regional Sales at the Dunder Mifflin corporate office in New York City, throw a dinner party and invite Jim Halpert (John Krasinski) and Pam Beesly (Jenna Fischer), and Andy Bernard (Ed Helms) and Angela Martin (Angela Kinsey), as well as an uninvited Dwight Schrute (Rainn Wilson).