CASTLE Season 7 Episode 4 Photos Child’s Play : CASTLE – “Child’s Play” – When an ice cream vender is shot, evidence leads Beckett and Castle to believe that an unknown second-grader may have vital information about the case. Castle goes undercover at an elementary school to try and identify the second-grader but nothing goes as planned, on “Castle,” MONDAY, OCTOBER 20 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/Nicole Wilder) MICHAEL HYATT, NATHAN FILLION
