Castle: Murder Most Fowl

Beckett and Castle are called in after New York subway worker Leonard Levitt is found shot dead in Central Park. Ryan and Esposito pay a visit to the victim's apartment and find night-vision goggles and the letters BHS written down, which leads them to a bird-watching rival of Levitt's - while Castle discovers a camera at the murder scene that contains evidence of a kidnapping. Crime drama, starring Nathan Fillion