Castle: Watch Season 6 Episode 15 Online

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A mean girl smashed into her ceiling and the girl she bullied was under suspicion in "Smells Like Teen Spirit."

Castle Season 6 Episode 15 sent Castle back to his alma mater where he was kicked out senior year for a prank involving a cow. Unfortunately the principal still remembers Rick Rodgers. 

But when telekinesis appears to be the method for murder, Beckett is skeptical. Was it an outcast girl with supernatural powers or a simple case of special effects in action? 

And when Rick and Kate realize that they don't have a song to dance to at their wedding it takes a high school dance to help them narrow it down. 

Whether you missed it or just want to see it again, you can watch Castle online right here at TV Fanatic. 

C. Orlando is a TV Fanatic Staff Writer. Follow her on Twitter.

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Castle Season 6 Episode 15 Quotes

Beckett: I'm not choosing our song off of a list that includes Def Leppard's "Pour Some Sugar on Me"
Castle: That song, I'm sure ignited many a strip club romance back in 1987.

I'd offer a theory but I'm too busy having detention flashbacks.