Fallen is a two-part British television crime drama, written by Steve Griffiths and directed by Omar Madha, first broadcast on ITV on 26 April 2004. The drama stars Jonathan Cake as Jason Shepherd, a police detective who wakes up in hospital in an amnesiac state after being subjected to a near fatal electrocution by members of a gang suspected to be involved in nuclear terrorism. Simone Lahbib stars as Shepherd's superior, DCI Kate Gunning, with Kerrie Taylor, Gary Love, David Gant and William Beck also among the principal cast members credited.

The series was also broadcast in Sweden, in Germany under the title Böser Cop, guter Cop (English: Good Cop, Bad Cop) and in France under the title À découvert (English: Discovered). The series was filmed in and around London. The series gathered respectable viewing figures, with the first part gathering 5.92 million viewers, and the second attracting 4.07 million.