Cold Blood is a television series first broadcast on 19 October 2005, on ITV. Three series of the show were broadcast. The series stars Matthew Kelly as Brian Wicklow, a notorious serial killer who assists the police with investigations into murders and serial offenders. The series also features John Hannah as Jake Osborne and Jemma Redgrave as Detective Sergeant Eve Granger.

Three official series of the show were produced: two stand-alone feature-length episodes and one final series comprising three individual stories. The show ceased production in 2007 following declining viewing figures; and the final episode was broadcast on 3 January 2008, to a mere 3.98m, a drop of more than 3 million viewers since the first episode.