Dunder Mifflin is getting a visit from one of the best dunderheads around.

Will Ferrell will be joining The Office for its final four episodes of the season, playing a branch manager who is just as inappropriate as Michael Scott, NBC confirmed Wednesday.

We found Steve Carell when he was nothing but a movie star and we turned him into a television star," said executive producer Paul Lieberstein, who also plays put-upon HR rep Toby.

"We are proud to continue The Office's tradition of discovering famous talent, and we hope that once America gets a good look at Will, they'll see what we see: tremendous raw sexuality."

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