Castle: Season 3 Episode 15: The Final Nail
Starring: Nathan Fillion, Stana Katic, Susan Sullivan, Monet Mazur, Ruben Santiago-Hudson, Andrea Bogart, Efrain Figueroa, Alicia Coppola
Length: 43 minutes
Castle: S03E15 Description: Castle’s old boarding school friend is accused of killing his wife. It was later found out that he was accused of killing his father several years earlier.