Set in a women's prison, the highly sucessful British drama ran for 8 seasons between 1999-2006, and has marked ratings of 7 million, becoming Britain's most watched drama. / / / / Broadcast History / Season 1: Tuesdays 9pm Season 2: Tuesdays 9pm Season 3: Tuesdays 9pm Season 4: Thursdays 9pm Season 5: Thursdays 9pm Season 6: Wednesdays 9pm Season 7: Tuesdays 9pm Season 8: Thursdays 9pm Currently 9.9/10