Thursday's episode of Bones finds the Smithsonian team investigating a case that will put Hodgins' (T.J. Thyne) bitterness on the back burner, at least for an hour. A body found with puzzling accessories will lead the team to a serial killer unlike any they have ever seen before. "This is returning to the days of Anthony Perkins and Psycho," executive producer Michael Peterson tells TVGuide.com.

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Things only get more disturbing as the team tries to figure out the killer's exact process — and discovers that the set of bones on Brennan's (Emily Deschanel) table isn't the only one he's left behind. Booth (David Boreanaz) and Brennan connect the murder to previously unsolved FBI cases, suddenly changing their mission to find the mysterious new bad guy before he has the chance to strike again.

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