
Episodes

1. Cracking a Killer's Code (1)
6 Sept 2012 · 45 min · 7.2/10
When Susan Gray spots a hidden pattern in a series of murders, she tries to inform the police. But when they and her husband insist she forget her theory Susan enlists her wartime friends to try and track down the murderer.

2. Cracking a Killer's Code (2)
13 Sept 2012 · 45 min · 7.8/10
As Susan and the other Bletchley women close in on the murderer of the five girls, a shocking discovery calls their theories into question and forces them to set a dangerous trap - a trap that puts one of them in even greater danger.

3. Cracking a Killer's Code (3)
20 Sept 2012 · 45 min · 7.3/10
Thrown into a chilling confrontation with the murderer they have so brilliantly tracked down, Susan and the other Bletchley women become locked into a ever more dangerous game of cat and mouse that leads to a seemingly inescapable conclusion.
The Bletchley Circle Season 1: quick answers
How many episodes are in The Bletchley Circle Season 1?
Season 1 of The Bletchley Circle has 3 episodes, about 2 hours in total.
When did The Bletchley Circle Season 1 come out?
Season 1 premiered on 6 Sept 2012.
What is the best episode of The Bletchley Circle Season 1?
By viewer score, episode 2, “Cracking a Killer's Code (2)”, at 7.8/10.