An actor officially returns in "Castle" Season 8 and his character will appear in the 6th episode of the show. The executive producers also spilled some details about the upcoming episodes. Then it has been reported that the 5th episode received low ratings. 

Adam Baldwin reprises his role as Ethan Slaughter in "Castle" Season 8. His character will appear in episode 6. On the other hand, Terence Paul Winter and Alexi Hawley revealed some details about the upcoming episodes. Unfortunately, episode 5 received low ratings due Rick and Kate's breakup.

Adam Baldwin officially reprises his controversial role as Ethan Slaughter in "Castle" Season 8. According to MNR Daily, Baldwin's character is set to appear in the 6th episode of the show. Ethan Slaughter is a detective who investigates the gangs on both the precinct and around the city.

Moreover, executive producers Terence Paul Winter and Alexi Hawley shared some details about the upcoming episodes of the show. TV Line mentions that next Monday's episode will be just the replay of season seven's  "Once Upon A Time in the West".

Unfortunately, the show will not air an episode in Nov. 2, 2015 due to the "Countdown to the CMA Awards" special show. However, the show will resume to its regular programming in Nov. 9, 2015 for its newest episode.

Meanwhile, the previous episode of "Castle" Season 8 which was entitled as, "The Nose" received low ratings. Carter Matt noted that the 5th episode only drew a 1.1 rating which was lower than the previous season's average rating in the 18-49 demographic of 1.6. It has also been reported that the drop of ratings is caused by Rick Castle (Nathan Fillion) and Kate Beckett's (Stana Katic) breakup which made it difficult to watch.

"Castle" Season 8 Episode 6 is entitled as, "Cool Boys". 'Castle' airs every Monday at 10:00 p.m. exclusively on ABC. "Castle" is an American crime drama TV series created by Andrew Marlowe.