The Blacklist 3x23 "Alexander Kirk: Conclusion" (Season Finale) - As Reddington (James Spader) and the task force close in on the person responsible for Liz's death, a shocking betrayal leaves them racing to save one of their own. The Blacklist 3x23 Promo/Preview "Alexander Kirk: Conclusion" (Season Finale). The Blacklist Season 3 Episode 23 Promo. The Blacklist Season 3 Season Finale Promo. The Blacklist 3x23 Promo "Alexander Kirk: Conclusion" (HD) Season Finale. Twitter :.