Will Greenberg, Clark Duke, Rainn Wilson Photo

From: Photo Flash: THE OFFICE's 'Suit Warehouse' Episode

On THE OFFICE's upcoming episode 'Suit Warehouse,' Clark (Clark Duke) returns from his sex jaunt with Jan and gifts the office with a new espresso maker, which everyone abuses. Dwight (Rainn Wilson) takes him to sell a father - son suit warehouse. Meanwhile, Darryl (Craig Robinson) interviews at Jim's (John Krasinski) company and Pam (Jenna Fischer) comes for a surprise visit. Leslie David Baker, Phyllis Smith, Angela Kinsey, Brian Baumgartner, Oscar Nunez, Kate Flannery, Paul Lieberstein, Creed Bratton, Ellie Kemper, Catherine Tate, Clark Duke and Jake Lacy also star. The episode is set to air on Jan. 17. Check out a first look below!