Overview

• The third and final film, Downton Abbey: The Grand Finale, opens in UK cinemas on 12 September 2025.
• Set in the 1930s, the story follows Robert Crawley preparing to hand the estate’s leadership to Lady Mary.
• The latest trailer shows Mary’s separation from Henry Talbot jeopardizing her position as Robert’s chosen heir.
• Footage hints at financial strain for the Crawleys and features a tribute to the late Dame Maggie Smith’s Dowager Countess.
• Series regulars return alongside new additions including Paul Giamatti, Joely Richardson, Alessandro Nivola, Simon Russell Beale and Arty Froushan.