Prisoner is Australian.
Network Ten ( commonly known as Channel Ten or simply Ten , officially stylised as TEN ) is an Australian commercial broadcasting network owned by Ten Network Holdings , and is headquartered in Pyrmont , New South Wales . Prisoner (TV series) . The series , produced by the Reg Grundy Organisation , aired on Network Ten for 692 episodes between 27 February 1979 and 11 December 1986 . The Reg Grundy Organisation ( later the Grundy Organisation , then Grundy Television and known informally as Grundy 's ) was an Australian television production company founded in 1959 by businessman Reg Grundy .