Rick will go back to school on Castle Season 6 Episode 15.
The installment will find Castle and Beckett looking into the murder of a high school student at one of the latter's alma maters, with Rick growing giddy because it will appear as if the victim was a a teenage telekinetic.
Oh, yes, we're talking about a "real life Carrie," as Castle puts it in the following sneak peek. Watch now:
"Smells Like Teen Spirit" airs on February 17. Until then, you can watch Castle online and you can click through a number of photos from the installment, courtesy of ABC.