Full episode: http://newtvshowsonline.com/<br /> Summary: A young mathematician is shot with a 200-year-old bullet, inspiring wild theories by Castle about a time-traveling murderer.<br /> Tags:<br /> Castle,Punked,Episode 4,ABC,Richard Castle,Episode,Kate Beckett,Episode 3,murder,episode,TV Show,TV,bullet,Photos,Beckett,mathematician,Grey#39s Anatomy,Nathan Fillion,Episode Guide,Season 1
