Gary Oldman's acclaimed series Slow Horses returned for its fourth season on September 4, achieving a perfect 100% score on Rotten Tomatoes and becoming Apple TV's highest-rated show ever. The series, which follows a dysfunctional MI5 team led by Jackson Lamb, has garnered rave reviews from critics, with The Telegraph's Anita Singh praising it as 'flawless' and Forbes' Erik Kain calling Lamb 'the hero television needs right now'. Critics have consistently noted that the series maintains its high quality, with each season reportedly improving on the last. Viewers are echoing these sentiments on social media, with many hailing it as the best show on British television. Additionally, the show has already broken several records on the streaming platform. A fifth season has been commissioned, further solidifying its popularity and critical acclaim.