SOKO Köln

SOKO Köln (English title: Cologne P.D.) is a German police procedural television series that premiered on 22 October 2003 on ZDF. It is the fourth offshoot of SOKO München, launched in 1978 under the name SOKO 5113. "SOKO" is an abbreviation of the German word Sonderkommission, which means "special investigative team".

Crossover
On 3 April 2013, five SOKO teams were brought together for a five-part special titled SOKO – Der Prozess. In it, the teams from Munich, Cologne, Leipzig, Stuttgart, and Wismar have to solve the murder of a police officer. The five episodes were shown across Germany from 30 September to 4 October 2013.