It's back to school for Rick Castle on Castle Season 6 Episode 15.
Titled "Smells Like Teen Spirit," the installment will find Castle and Beckett looking into the murder of a popular high school student, with the prime suspect being a fellow student... who may possess telekinetic powers?!?
Yes, we're talking about a real life Carrie.
On Monday's new outing, look for Castle to reminisce about his days as a bad student and for him and Beckett to come across a terrible realization about their relationship. What is it? You better watch these clips now:
Watch Castle online if you need to watch up and click through photos from "Smells Like Teen Spirit" now: