The Grand Finale was released earlier this week and Hugh Bonneville has let slip some further details about the exciting final instalment

The Grand Finale,' in theaters Sept. 12 Focus Features has released the first trailer for Downton Abbey: The Grand Finale The third film in the franchise "follows the Crawley family and their staff as they enter the 1930s,

Hugh Bonneville has said the final Downton Abbey film will be a “proper tribute” to Dame Maggie Smith. The late star played Violet Crawley, the Dowager Countess of Grantham, in the ITV period drama, appearing in the hit TV series and spin-off films.