S5, E9: Frame Toby
An office mess -- A mysterious person in the office has made a huge mess in the microwave and will not clean it up. Meanwhile, Michael (Golden Globe winner Steve Carell) has to come to terms with the fact that there have been certain personnel changes in his staff without his knowing. Rainn Wilson, John Krasinski, Jenna Fischer, B.J. Novak, Ed Helms, Leslie David Baker, Brian Baumgartner, Kate Flannery, Mindy Kaling, Angela Kinsey, Phyllis Smith, Oscar Nunez, Paul Lieberstein and Creed Bratton also star.