Michael is a guest speaker for Ryan's business class, but they have a falling-out after Michael finds out that Ryan spoke negatively about Dunder-Mifflin. And back at the office, Dwight tries to kill a bat that he found in the ceiling.
Actors: Steve Carell, Rainn Wilson, John Krasinski, Jenna Fischer, B.J. Novak, David Denman, Leslie David Baker, Brian Baumgartner, Kate Flannery, Mindy Kaling, Angela Kinsey, Paul Lieberstein, Oscar Nuñez, Phyllis Smith, Creed Bratton, Rashida Jones, Michael Patrick McGill, Nathan Blank, Matthew Brent, Tom Chick, Charles Hirsch, Jonathan Hughes, Elizabeth Moore, Mike Nojun Park, Jeremy Shouldis, Annie Bravo, David Daskal
Director: Joss Whedon