The spy thriller stars Gary Oldman and our clip features Goldman meeting with Kristin Scott Thomas in a dark London canal.
The six-episode series will be led by Oscar-winner Gary Oldman in his first major television role in over two decades.
Slow Horses is directed and executive produced by James Hawes from a script written by Veep‘s Will Smith, based on Mick Herron’s espionage novel Slough House.