Filming for series 8 Part 1 (Part A) and 2 (Part B) went into production in late October 2019 and wrapped filming early September 2020, with both series filmed back-to-back. Production finished filming in early September after a break in production due to the COVID-19 pandemic. When filming wrapped on 4th September available members of the cast and crew received gifts which included a placard for the cast's four actors who had been there on set since day one Kate Atkinson (Vera Bennett), Jacquie Brennan (Linda Miles), Robbie Magasiva (Will Jackson) and Katrina Milosevic (Boomer Jenkins) known as the 'OG Four' and the '100 Club', the crew originals included Peter Sidell, Kate Saunders, Adrian Dalton, Paris Smith, Lana Williams, Simon Hawkins, Michael Melis, Margot McCarthy and series producers Penny Win and Jo Porter.
According to the cast, when they first started getting fan mail during season 1 a lot of mail came from ex-corrections officers thanking them for getting officer life right when the officers were on screen. The series also had a former corrections officer serving as a series consultant who also served as an extra for the first three seasons often providing guidance for the actors who were playing guards..
As research, the principal cast and production team toured the Dame Phyllis Frost Correctional Centre in Deer Park, Victoria, meeting inmates and staff, with cast also meeting gangland figure Judy Moran of the Moran Crime Family who was a figurehead in the Melbourne Gangland War.
Wentworth is Foxtel Australia's longest running one hour drama series, when the series finished its run it became the longest running one hour drama in Foxtel AU's history and Australian TV history.
The series was voted 'Show of the Decade' by TV Tonight.