Pam tries to find out who vandalized her mural, Darryl finds out that Jim is a slob, and Oscar goes to Angela and The Senator's child's first birthday party.

Cast: Rainn Wilson, John Krasinski, Jenna Fischer, Ed Helms, Catherine Tate, Leslie David Baker, Brian Baumgartner, Creed Bratton, Clark Duke, Kate Flannery, Ellie Kemper, Angela Kinsey, Jake Lacy, Paul Lieberstein, Oscar Nuñez