Sneak Peek of Castle Season 5, Episode 8, "After Hours": What Are Castle and Beckett Really Fighting About? (VIDEO) Tweet November 17, 2012 at 11:01AM EST by Wetpaint Entertainment Staff Related: Castle, Sneak Peeks , Previews , Season 5 Episode 8 Credit: YouTube Is Castle and Beckett's first fight really about their parents? Or is it — we shudder to think! — about them?! Original Air Date: Castle Season 5, Episode 8: "After Hours" airs on Monday, Nov. 19 at 10 p.m. ET on ABC.