Apple TV+ have announced Gary Oldman’s hit series Slow Horses will return for a sixth series. The news comes after viewers dubbed its fourth series the ‘best series on British television’ and it earned a perfect score on Rotten Tomatoes and broke records on Apple TV.The streamer has now revealed a six-episode sixth season is in the works, and will see the Slow Horses on the run as Diana Taverner embroils them all in a fatally high-stakes game of retaliation and revenge.Jay Hunt, creative director, Europe, Apple TV+, said: ‘Audiences around the world have fallen in love with the Slow Horses, and I’m delighted that Gary Oldman will be leading this star-studded cast on another acerbic and action-packed adventure.’Gary’s hit series returned with a new batch of episodes on September 4 and has already smashed a slew of records and earned rave reviews from critics. Apple TV+ have announced Gary Oldman’s hit series Slow Horses will return for a sixth series The news comes after viewers dubbed its fourth series the ‘best series on British television’ and it earned a perfect score on Rotten Tomatoes and broke records on Apple TVThe quick-witted spy thriller follows a dysfunctional team of MI5 agents and their boss, the notorious Jackson Lamb (Gary Oldman).And the new series boasts an astonishing 100% score on Rotten Tomatoes, after previously never falling below 98% since it first launched back in 2021.This latest achievement also makes Slow Horses Apple TV’s highest-rated show ever. The first and third seasons earned a 98% score, with the second also sitting at an impressive 100%.The Telegraph’s Anita Singh, who gave the show four stars, wrote that the spy thriller is ‘faultless’ and boasts a ‘stellar cast’.She gushed: ‘We’re into series four now and there is no drop in quality. If anything, each series improves slightly on the last. Watching it is pure pleasure. There isn’t a wasted scene or a duff piece of dialogue.’Meanwhile, Forbes’ Erik Kain penned that ‘Jackson Lamb is the hero television needs right now’.He added: ‘Yet another terrific premiere for Slow Horses which continues to be one of the very best TV shows on streaming right now and yet another hit for Apple TV.’ The quick-witted spy thriller follows a dysfunctional team of MI5 agents and their boss, the notorious Jackson Lamb (Gary Oldman)The Express’ critic David Stephenson also had extremely high praise, giving the fourth instalment four stars and writing: ‘Slow Horses just gets better and better. The fourth season is a study in tension, and fine acting.’And it’s not just critics who are loving the ‘amazing’ show, as viewers have flooded X with praise for the Apple TV hit, penning:’#SlowHorses Best series on British television bar none!”Episode 1 of #SlowHorses Season 4 was absolutely amazing. This should be the biggest show in the UK.”Yuuuuup Slow Horses is amazing. Officially on board. #SlowHorses.”#SlowHorses WOW. What an episode that was. Welcome back!”Immediately hooked again, can’t get enough.”Jackson Lamb has to be one of the best characters on television ever, absolute class #SlowHorses”Slow Horses is arguably the best show on television. I can’t recommend it enough. #TV #SlowHorses’ And the new series boasts an astonishing 100% score on Rotten Tomatoes, after previously never falling below 98% since it first launched back in 2021 Since its premiere, Slow Horses has been celebrated as ‘undoubtedly the best spy series on television’ and a ‘forceful, funny, and conspiratorial’ series’How in the blazes have I only become aware of #SlowHorses now? It’s bloody brilliant!!!’Since its premiere, Slow Horses has been celebrated as ‘undoubtedly the best spy series on television’ and a ‘forceful, funny, and conspiratorial’ series.In January it was announced that the five-time BAFTA Award-nominated series had been renewed for fifth season.In season five everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend, but when a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected.After all, Jackson Lamb knows that in the world of espionage, ‘London Rules’ should always apply. In January it was announced that the five-time BAFTA Award-nominated series had been renewed for fifth seasonBefore landing his leading role of Jackson Lamb in the series, Gary hinted he had considered retiring from acting almost 50 years in the business.Speaking on The Chris Evans Breakfast Show with Sky on Virgin Radio, Gary said: ‘I think that Lamb gives the impression to the world that he doesn’t care, and maybe, just maybe, he cares more than most.’He might be trying to pack it all in. He is sort of treading water and watching the clock until retirement.’But like a lot of us who maybe have occasionally felt like walking away and packing it all in, we’re sort of addicted to what we do.’Slow Horses is available to stream now on Apple TV+.