Castle 7x21 Sneak Peek, 1 In Plane Sight

Castle Season 7 Episode 21 Sneak Peek, 1 In Plane Sight Castle 7x21 Promo, In Plane Sight As Castle and Alexis travel to London, their routine flight turns deadly when the planes Air Marshal is found murdered. With the help of Beckett on the ground, Castle and Alexis race against time to find the killer before he carries out his fateful plan, on Castle, MONDAY, APRIL 27 (10:0111:00 p. m., ET) on the ABC Television Network. Castle stars Nathan Fillion as Richard Castle, Stana Katic as NYPD De