Detective Ethan Slaughter (guest star Adam Baldwin) returns when he ends up needing Castle's help on a robbery case but given how their last encounter went, will Rick be game?
And when a dead body turns up, the robbery case quickly becomes a homicide with Detective Slaughter as the main suspect. Will Castle be able to figure out if Slaughter is innocent or guilty of murder?
Check out these photos from Castle Season 8 Episode 6, "Cool Boys" scheduled to air Monday, November 9th on ABC.
Detective Ethan Slaughter returns. What kinds of trouble will he get Rick Castle into this time?
2.
Slaughter Plays Rough - Castle Season 8 Episode 6
We know from his last visit that Detective Slaughter likes to play rough but that just isn't Richard Castle's style.
3.
Things Get Tense - Castle Season 8 Episode 6
So just how tense will things get between the rough, gruff, detective and the husband of the 12th precinct's new Captain?
4.
Guns Drawn - Castle Season 8 Episode 6
Well, if Ryan and Esposito barreling in with guns drawn is any indication, we'd say things are about to get pretty tense.
5.
Not Big Fans of Slaughter - Castle Season 8 Episode 6
Ryan and Esposito weren't exactly big fans of Detective Slaughter the last time Castle ended up working with him.
6.
Slapping the Cuffs on Slaughter - Castle Season 8 Episode 6
We think Ryan and Espo are more than happy to slap the cuffs on Slaughter if there's a reason.
7.
The Real Cool Boys - Castle Season 8 Episode 6
Besides, everyone knows that Javier Esposito and Kevin Ryan are the real "Cool Boys" in the house. Check out Castle Season 8 Episode 6 on Monday, November 9th on ABC.