Slow Horses Ending Explained: the MI5 Scandal, Donovan, & Did Tierney or Taverner Win?

Apple TV+’s Slow Horses was a wild ride in series 3 – if you’re looking for answers about what happened in the finale (and why), read on. Spoilers!

Gary Oldman in Slow Horses
Photo: Apple TV

WARNING: contains MAJOR SPOILERS for series three of Slow Horses

Was series three the best yet for Apple TV’s spy thriller Slow Horses? It was certainly the series with by far the most action, the highest kill count, and the biggest secrets. So… yes, actually.

But while usually Slow Horses is MI5 vs The Bad Guys, this time “the call was coming from inside the house”, and warring factions from within the service were hunting down their own, betraying and back-stabbing all over the shop. 

If you’re looking for a guide to what actually happened to make sure you didn’t miss anything, here’s all your Slow Horses series three questions answered:


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