This is a typical House scene. Our favorite doctor explains what's wrong to his team.
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There's a good reason why House has a sword in this scene: a patient collapsed at a Renaissance fair.
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House and his team analyze the case of a man who collapsed during a reenactment at a Renaissance fair in this scene. Hence, the sword.
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House takes exception to Wilson's new girlfriend in this scene. The reason? It's the latter's ex-wife.
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On the April 19, 2010 episode of House, Cynthia Watros will debut on House. She'll play Wilson's first wife.
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House Season 6 Episode 17 Quotes

Sorry, must have missed this "If This Trailer Be Arockin" sign out front..

House

House: You're new.
Sam: You're naked.
House: And, for the record, cold.