05/09/2013 (09:00PM - 10:01PM) (Thursday) : JIM HOLDS TRYOUTS FOR THE ASSISTANT TO THE ASSISTANT TO THE REGIONAL MANAGER - As the office readies for the premiere of the documentary that night, Jim (John Krasinski) convinces Dwight (Rainn Wilson), who is planning to propose to Esther (Nora Kirkpatrick), that he needs an Assistant to the Assistant Regional Manager, and holds tryouts to find the best candidate. Angela (Angela Kinsey) brings her baby to work after her daycare turns her away. Meanwhile, Andy (Ed Helms) attends auditions for "The Next Great A Cappella Sensation." Guest stars: Aaron Rogers, Clay Aiken, Mark McGrath, Santigold, Jessica St. Clair. Jenna Fischer, Leslie David Baker, Phyllis Smith, Brian Baumgartner, Oscar Nunez, Kate Flannery, Paul Lieberstein, Creed Bratton, Craig Robinson, Ellie Kemper, Catherine Tate, Clark Duke and Jake Lacy also star.