The wait is official! Jackson Lamb and his misfit MI5 crew return in late 2026.

Apple TV+ is doubling down on this gritty espionage thriller, promising higher stakes and deeper geopolitical tension. Gary Oldman returns as the iconic, cynical Lamb.

Production is accelerating post-Season 5. Expect sharper, darker storytelling as the Slough House team faces their most personal threats yet.

Production is accelerating post-Season 5. Expect sharper, darker storytelling as the Slough House team faces their most personal threats yet.