The Bill - Season 16 - Eps 52: Doppelganger
Boyden is shocked to discover that someone has been impersonating him, raiding illegal poker games and pocketing all the cash, and decides to go undercover as a punter to trap him. However, during the operation, the technology provided by the yard goes haywire and all of the suspects manage to escape without capture. Meanwhile, as the phony Boyden attacks and robs a prostitute, the real Boyden finds two Yardies on his case set out for revenge. As a second operation is organised, Boyden asks one of the players from the first game to go undercover and catch the fake police officers in the act. However, having gotten the Yardies on his side, Boyden organises sinister revenge for his fake counterpart.
About The Bill

Title: The Bill
First Air Date: 1984-10-16
Last Air Date: 2010-08-31
Status: Canceled
Rating: 6.7/10 (from 40 votes)
Language: EN
Seasons: 27
Total Episodes: 2373
Network: ITV1
Genres: Crime, Drama
Production Companies: Talkback Thames, Thames Television, ITV
Synopsis
The daily lives of the men and women at Sun Hill Police Station as they fight crime on the streets of London. From bomb threats to armed robbery and drug raids to the routine demands of policing this ground-breaking series focuses as much on crime as it does on the personal lives of its characters.
Cast

Simon Rouse
Jack Meadows

Sarah Manners
Kirsty Knight

Andrew Lancel
Neil Manson

Alex Walkinshaw
Dale Smith

Amita Dhiri
Grace Dasari

Ben Richards
Nate Roberts

Bruce Byron
Terry Perkins

Chris Simmons
Mickey Webb

Christopher Fox
Max Carter

Dominic Power
Leon Taylor