"Welcome Party" is the twentieth episode of the eighth season of the American comedy television series The Office and the show's 172nd episode overall. The episode originally aired on NBC in the United States on April 12, 2012. "Welcome Party" was written by Steve Hely and directed by series regular Ed Helms, who portrays Andy Bernard.

The eighth season of the American television comedy The Office commenced airing on NBC in the United States on September 22, 2011, and concluded on May 10, 2012, consisting of 24 episodes. The series is an American adaptation of the British comedy series, and is presented in a mockumentary format, portraying the daily lives of office employees in the Scranton, Pennsylvania branch of the fictitious Dunder Mifflin Paper Company. The eighth season of The Office aired on Thursdays at 9:00 p.m. (Eastern) in the United States as part of the "Comedy Night Done Right" television block. It stars Rainn Wilson, John Krasinski, Jenna Fischer, B. J. Novak, Ed Helms, and James Spader, with supporting performances from Catherine Tate, Leslie David Baker, Brian Baumgartner, Creed Bratton, Kate Flannery, Mindy Kaling, Ellie Kemper, Angela Kinsey, Paul Lieberstein, Oscar Nunez, Craig Robinson, Phyllis Smith, and Zach Woods. This was the first season without Steve Carell as Michael Scott in the lead role and the only one to not feature the character in any onscreen capacity, although he is occasionally mentioned.