Amazon Prime has just subtly added a 'magnificent' film to its roster that many fans reckon deserved even more attention at this year's Oscars. Sing Sing is now up for grabs for subscribers on the retailer's streaming service, without any additional charges. The film first saw the light of day at the Toronto International Film Festival in 2023 and had a limited cinema run in 2024. A broader release was on the cards but never quite materialised. Sing Sing did get released in more locations