Slow Horses S6 Ending Explained

Spoilers ahead. Is River dead? The finale does not say.

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Is River Dead?

He collapses after an apparent nerve agent poisoning. The season ends on his still boot, per Decider.

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Who Dies

Emma Flyte is killed by Frank Harkness. Jane is killed too. Louisa is shot, per Decider and TV Insider.

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Lamb's Plan

He pins the Kazan mastermind role on Damien Cantor and sends him abroad, per Decider.

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Taverner Survives

She reports her own compromise, takes down Peter Judd and keeps her job, per Decider.

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In the Books

River survives poisoning in "Bad Actors," per Decider. Adaptations can change things.

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Full Ending Explained

What is confirmed, reported and unknown. Tap below for the full guide.

NEWS TRENDS | 2026