
The Bletchley Circle
2012 · TV Series · TV-14 · 45 min
★ 7.6(149)unSUB Rating
In post-war Britain, four former wartime codebreakers try to settle back into ordinary life. When a troubling murder case shows a pattern no one else will take seriously, they reunite and use their sharp analytical skills to investigate, pushing against social expectations and official skepticism as they hunt for answers.
Where to watch
Watch free on Tubi, Pluto TV, Amazon Prime Video +1 more — also streaming on Amazon Prime Video, Peacock, BritBox +1 more.
5 hours to watch · 7 episodes.
Stream (included)
Free
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Details
- Years
- 2012–2014
- Release date
- 2012-09-06
- Network
- ITV1
- Language
- English
- Rated
- TV-14
- Runtime
- 45 min
- Max quality
- HD
- TMDB rating (input)
- 7.6/10 (149 votes)
About
You’ll likely enjoy this if you want a tense, character-driven British period mystery with smart pattern-spotting and social pushback; Not for you if you dislike fast resolutions or prefer lighter fare like Grantchester.
Pros: gripping post-war mystery; strong female leads; vivid 1950s setting | Cons: cases wrap up quickly; logic feels rushed; social themes feel heavy
Themes
- england
- rape
- world war ii
- violent husband
- strong woman
- british army
- human trafficking
- code breaking
- rape and murder
- period drama
- crime family
- post world war ii
- +30 more
Cast & crew

Rachael Stirling
as Millie

Julie Graham
as Jean

Sophie Rundle
as Lucy

Anna Maxwell Martin
as Susan

Nick Blood
as Ben Gladstone

Ed Birch
as Harry

Michael Gould
as Deputy Commissioner Wainwright

Mark Dexter
as Timothy
- EK
Elliot Kerley
as Sam

Jocelyn Macnab
as Claire
Directed by Sarah Harding, Andy De Emmony, Jamie Payne
Created by Guy Burt
Episodes2 seasons · 7 episodes
Season 13 episodes
- S1E1Cracking a Killer's Code (1)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacockApple TV+
- S1E2Cracking a Killer's Code (2)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacockApple TV+
- S1E3Cracking a Killer's Code (3)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacockApple TV+
Season 24 episodes
- S2E1Blood on Their Hands (1)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacock
- S2E2Blood on Their Hands (2)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacock
- S2E3Uncustomed Goods (1)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacock
- S2E4Uncustomed Goods (2)45mAmazon Prime VideoBritBoxThe Roku ChannelTubiPeacock