Please note this is a region 2 DVD & will require a region 2 (Europe) or region Free DVD Player in order to play All 32 episodes of the 1970s ITV cop show that began as a spin-off of & The XYY Man& Detective Sergeant George Bulman (Don Henderson) & Detective Constable Derek Willis (Dennis Blanch) have been transferred to Unit 23 a special squad based in the North of England charged with tackling the cases that normal units up & down the country cannot handle Series 1 episodes are & The Paradise Set& & Duty Roster& & Silver Lining& & Accidental Death& & Briscoe& & Right & Wrong& & & Paying Guests& Series 2 episodes are & The Wheeler Dealers& & Call of the Wild& & Clever Dick& & Friends in High Places& & & Marriages Deaths & Births& Series 3 episodes are & Retribution& & You Can&t Win & Em All& & Armed & Dangerous& & Racing Certainty& & Clowns Don&t Cry& & Tom Thumb & Other Stories& & & No Orchids for Missing Blandisch& Series 4 episodes are & The Moscow Subway Murders& & The Loneliness of the Long Distance Copper& &A Dear Green Place& & Stand & Deliver& & The Flowers of Edinburgh& & & Soldiers of Misfortune& Series 5 episodes are &A Much Underestimated Man& &A Swift & Evil Rozzer& & The Tender Trap& & The Lost Chord& &A Free Weekend in the Country& & Charlie&s Brother&s Birthday& & & With These Gloves You Can Pass Through Mirrors&