Nbc has announced the new primetime special, downton abbey celebrates the grand finale, which is set to air on wednesday, sept. Get all the details on the new special, here. · the cast of downton abbey will appear in a brand-new primetime special, coming to nbc and peacock next month. · new york - - join the cast of downton abbey in a toast to the global phenomenons final chapter with an all-new primetime special, downton abbey … Watch downton abbey. The cast of the hit period franchise will celebrate the third and final film with a new primetime tv special, downton abbey celebrates the … · you’re invited to a special evening with the cast as they look back at the shows legacy and celebrate the release of their newest film. · calling all downton abbey fans! Et/pt and will stream the next … · 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, … · nbc has set a primetime special, downton abbey celebrates the grand finale, honoring the end of downton abbey. 10, on nbc at 9 p. m. · the cast of downton abbey will celebrate the launch of the third and final film with a one-off tv special, where theyll share never-before-heard stories from the making of the … · a “downton abbey” primetime special is set to air on nbc to celebrate the third and final film in the “downton” franchise before its theatrical release. According to the network, “the one-hour … Titled downton abbey celebrates the grand finale, the … · nbcs primetime special downton abbey celebrates the grand finale is celebrating the shows final chapter.