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Basic Details

Season 8, Episode 22 (173) (series finale)

Original Air Date - 16 May 2016


Beckett, Castle, Hayley, and Vikram use the information Caleb Brown provided to set up an ambush for LokSat - but end up sitting ducks themselves. Once they escape, it becomes more and more difficult to figure out which clues are reliable, which are fabricated, and whom they can trust.

Episode Images


Main Cast

Guest Cast

  • Kristoffer Polaha - Caleb Brown
  • Gerald McRaney - Mason Wood
  • Jed Rees - Flynn
  • Rainey Spurlock - Lily
  • Brady Steib - Jake
  • Tyler Steib - Reece




  • After eight seasons and 173 episodes, Crossfire was the last episode of Castle. With the cast at the the end of their one-year contracts for season 8, negotiations had been under way for a short season 9 in which, it emerged, Beckett would not appear as a character. However, on 12 May 2016,, ABC announced officially that the show would be cancelled.
  • Crossfire had originally been intended as a season rather than series finale, but an alternative ending was shot during filming in case negotiations for a new season broke down. In the event, the cancellation was announced only four days before the episode aired, but it did appear with the alternative ending: a flash-forward three years into the future that showed Castle and Beckett at home in the loft with their three children.


(on which bystander might be LokSat)
Castle: I got twenty bucks says it's the handsy yogi over there.
Beckett: I'm going for the Carrot Top Cruella De Vil. Wait, wait. Does she look a bit like your first ex-wife?
Castle: She kind of does. Oh, my God. Could my ex-wife be LokSat? 'Cause in a lot of ways, that would make perfect sense.

Full Episode Recap


  • Victim: Unknown body in the trunk of a stolen car
Cause of death: Immolation when the car is set on fire
  • Perp: Flynn
Motive: Setting up false clues to mislead Castle and Beckett
  • Victim: Caleb Brown
Cause of death: Two gunshot wounds at close range
  • Perp: Kate Beckett
Motive: Self-defense

Previous episode: Hell to Pay