· the third and final downton abbey film is set to hit the big screen on sept. · well, nbc is going to provide fans with some more content to assuage our aching hearts. · downton abbey celebrates the grand finale | nbc join the cast of “downton abbey” in a toast to the global phenomenon’s final chapter with an all-new primetime special, “downton … Et/pt and stream the next day on peacock. · downton abby has set a network tv special ahead of the grand finale’s theatrical debut. The primetime behind-the-scenes special downton abbey celebrates the grand finale will air on nbc on sept. Here’s what you need to know! · for the third and final film in the downton abbey franchise, the production will air a special, downton abbey celebrates the grand finale, which will air and stream in the u. s. The special downton abbey celebrates the grand finale will premiere on nbc on … · the primetime behind-the-scenes special downton abbey celebrates the grand finale will air on nbc on sept. Get all the details on the new special, here. · a downton abbey primetime special is set to air on nbc to celebrate the third and final film in the franchise before its theatrical release · nbcs primetime special downton abbey celebrates the grand finale is celebrating the shows final chapter. · downton abbey fans have something to celebrate as we await the release of the final film in the franchise. Nbc is going to air a one hour celebration called downton abbey celebrates … Ahead of downton abbey: The grand finale’s theatrical debut, nbc is set to air a primetime special …