S8, E6: Dwight (Rainn Willson) tries to help the office's efficiency by installing a Doomsday device that will get them all fired if they make too many mistakes. John Krasinski, Jenna Fischer, B.J. Novak, Ed Helms, James Spader, Leslie David Baker, Phyllis Smith, Angela Kinsey, Brian Baumgartner, Oscar Nunez, Kate Flannery, Paul Lieberstein, Mindy Kaling, Creed Bratton, Craig Robinson and Ellie Kemper also star.