As of 2015, "The Bletchley Circle" is available for purchase from iTunes and Amazon.com, and for rental on DVD from Netflix.com. "The Bletchley Circle," a British show about four women who previously worked as code-breakers at Bletchley Park, aired on PBS in the United States.
"The Bletchley Circle" ran for two seasons, airing in England and the United States from 2012 through 2014. Both seasons are available to purchase from iTunes. On Amazon, they are available to watch on Amazon Prime, or customers can purchase the DVD or Blu-ray set.
While the show was available to stream on Netflix in 2014, as of 2015, it is only available to customers who have DVD rental included in their membership plans.