Here Comes Treble

Synopsis

It's Halloween in the office and Andy invites his college a cappella group to perform, which leads to a confrontation with his frenemy Broccoli Rob. Meanwhile, Dwight finds evidence that a madman is loose in the office and tries to track him down, and the first meeting of Jim's new job causes a fight with Pam.

Guest stars

Ellie Kemper

Erin Hannon

Creed Bratton

Creed Bratton

Kate Flannery

Meredith Palmer

Leslie David Baker

Stanley Hudson

Brian Baumgartner

Kevin Malone

Craig Robinson

Darryl Philbin