|Warning! This page contains spoilers!|
Series Four is the fourth series of Luther. Consisting of two episodes, the series was broadcast in December 2015.
On 19 November 2014, it was announced that a two-episode special would be aired on the BBC in 2015. Filming began in March 2015 and ended April 2015. BBC Home Entertainment later confirmed that the Region 1 version of the Series 4 DVD would be released on 15 December 2015, coinciding with the air date of the fourth series. On 24 October 2015, BBC One confirmed via their Facebook page that series 4 of Luther would air in December 2015 on BBC One.
In November 2015, it was announced that Luther was confirmed to air in the United States on BBC America for a three-hour one-night event on 17 December 2015.
The first episode of the fourth series aired on BBC One on 15 December 2015.