Castle
S08E21 Hell to Pay
When a crazed psychiatric inmate armed with an axe collapses and dies in Castle's private investigation office, Castle and Beckett dive into the case. As they dig deeper, Castle begins to entertain the unsettling theory that the bizarre death might somehow be linked to the Antichrist.
Season 8 Episodes
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XY (1)
XX (2)
PhDead
What Lies Beneath
The Nose
Cool Boys
The Last Seduction
Mr. & Mrs. Castle
Tone Death
Witness for the Prosecution
Dead Red
The Blame Game
And Justice for All
The G.D.S.
Fidelis Ad Mortem
Heartbreaker
Death Wish
Backstabber
Dead Again
Much Ado About Murder
Hell to Pay
Crossfire