From Decider · · 1m 30s
River's Final Scene In Slow Horses Season 6
River collapses after Novichok poisoning in Slow Horses Season 6 finale.
In brief
River collapses after Novichok poisoning in Slow Horses Season 6 finale. River dies in the show but survives in the books after Novichok poisoning. Originally reported by Decider.
Season 6 Finale Cliffhanger
Slow Horses Season 6, Episode 6 ends with River collapsing after a nerve agent attack.
River's Final Moments
River attempts to prepare a romantic surprise but collapses after his right hand is affected by novichok.
Novichok Poisoning Explained
River was poisoned by a russian nerve agent that transferred when he grabbed the crowbar.
Book Version Survival
In Mick Herron's book 8, Bad Actors, River survives poisoning with sid finding him in time.
Writer's Uncertainty
Season 6 writer Gaby Chiappe says river may die or survive in the show but confirms novichok was used.
Season 7 Teaser Clue
Season 7 teaser shows lamb receiving a postcard referencing river's death in the afterlife.
River's Book Recovery
River returns in book 9, Clown Town after medical leave following poisoning.
Season 7 Status
Slow Horses Season 7 has already been renewed with production underway for fall 2027.
Jack Lowden's Future
Jack Lowden may return in season 7 but no official news confirms he is leaving slow horses.
River's Book Fate
River survives in the books but requires medical leave before returning in clown town.
The key point
River dies in the show but survives in the books after Novichok poisoning.
