Castle takes on Detective Ethan Slaughter (Adam Baldwin) as his partner when the tension between himself and Beckett rises, and is shown a new side to police work that puts him in danger.
Source: SpoilerTV
Streaming Options
Castle takes on Detective Ethan Slaughter (Adam Baldwin) as his partner when the tension between himself and Beckett rises, and is shown a new side to police work that puts him in danger.
Source: SpoilerTV