Question: how many episodes of the bletchley circle are there
Answer: of episodes 7 ( list of episodes ) Production Executive producer ( s ) Simon Heath Producer ( s ) Jake Lushington Cinematography John Pardue Running time 45 minutes Production company ( s ) World Productions Release Original network ITV Original release 6 September 2012 ( 2012 - 09 - 06 ) -- 27 January 2014 ( 2014 - 01 - 27 ) Chronology Followed by The Bletchley Circle : San Francisco