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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.
First Air Date : Mar 24, 2005
Last Air date : May 16, 2013
Episode : 186 Episode
Season : 9 Season
Runtime: 24 minutes
Studio: NBC
Country: United States of America