Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
Season 1
Failure's Contagious
S1E1 / 01 Apr 2022
Work Drinks
S1E2 / 01 Apr 2022
Bad Tradecraft
S1E3 / 08 Apr 2022
Visiting Hours
S1E4 / 15 Apr 2022
Fiasco
S1E5 / 22 Apr 2022
Follies
S1E6 / 29 Apr 2022
Season 2
Last Stop
S2E1 / 02 Dec 2022
From Upshott with Love
S2E2 / 02 Dec 2022
Drinking Games
S2E3 / 09 Dec 2022
Cicada
S2E4 / 16 Dec 2022
Boardroom Politics
S2E5 / 23 Dec 2022
Old Scores
S2E6 / 30 Dec 2022
Season 3
Strange Games
S3E1 / 29 Nov 2023
Hard Lessons
S3E2 / 29 Nov 2023
Negotiating with Tigers
S3E3 / 06 Dec 2023
Uninvited Guests
S3E4 / 13 Dec 2023
Cleaning Up
S3E5 / 20 Dec 2023
Footprints
S3E6 / 27 Dec 2023
Season 4
Identity Theft
S4E1 / 04 Sep 2024
A Stranger Comes to Town
S4E2 / 11 Sep 2024
Penny for Your Thoughts
S4E3 / 18 Sep 2024
Returns
S4E4 / 25 Sep 2024
Grave Danger
S4E5 / 02 Oct 2024
Hello Goodbye
S4E6 / 09 Oct 2024
Season 5
Bad Dates
S5E1 / 24 Sep 2025
Incommunicado
S5E2 / 01 Oct 2025
Tall Tales
S5E3 / 08 Oct 2025
Missiles
S5E4 / 15 Oct 2025
Circus
S5E5 / 22 Oct 2025
Scars
S5E6 / 29 Oct 2025
Gary Oldman
Jackson Lamb
Jack Lowden
River Cartwright
Kristin Scott Thomas
Diana Taverner
Hugo Weaving
Frank Harkness
Saskia Reeves
Catherine Standish
Christopher Chung
Roddy Ho
Rosalind Eleazar
Louisa Guy
