Overview

• Season 5 premieres Sept. 24 on Apple TV+ and releases one episode weekly through Oct. 29.
• The trailer frames an insider-threat storyline as Slough House is locked down and investigators focus on tech specialist Roddy Ho.
• Footage points to terror plots across London, on-screen mentions of 11 deaths, and a one-hour window to prevent another attack that could threaten thousands.
• Gary Oldman returns as Jackson Lamb alongside Kristin Scott Thomas, Jack Lowden and the core ensemble, with Nick Mohammed joining as a guest star.
• Showrunner Will Smith exits after this season, with Apple TV+ already confirming seasons 6 and 7.