The series premiered on 16 October 2013 on Sky Atlantic in the United Kingdom, and on 11 November 2013 on Canal+ in France.
[citation needed] The Tunnel stars Stephen Dillane and Clémence Poésy as British and French police detectives Karl Roebuck and Elise Wassermann, respectively.
Series 1 follows the two detectives working together to find a serial killer who left the upper-half body of a French politician and the lower-half of a British prostitute in the Channel Tunnel, at the midpoint between France and the UK.
[1][2] Titled The Tunnel: Sabotage, the series premiered on Canal+ on 7 March 2016,[citation needed] followed by Sky Atlantic on 12 April 2016[citation needed] (the series was originally scheduled to debut in the UK on 5 April, but was delayed for a week due to the Brussels terrorist attacks on 22 March 2016).
[citation needed] Series 2 focuses on the crash of an airliner into the French channel.