 The series began broadcasting on Cinemax in the United States on 12 August 2011 , with the premiere being seen by nearly 1 @.@ 1 million viewers , the highest ratings achieved by the network since 2005 . It later began broadcasting on Sky1 in the United Kingdom on 21 August with higher ratings than that of the first series . Critical reaction of the series was generally favourable in the United States , however British reviewers were more mixed . Reviewers made comparisons to various other television dramas including 24 , Sleeper Cell , Spooks and The Unit . Project Dawn was released on DVD and Blu @-@ ray disc in Region 2 on 14 November 2011 . In October 2011 , Cinemax announced it has renewed Strike Back for another 10 @-@ part series , to be titled Strike Back : Vengeance . 
