The first episode of Downton Abbey aired, introducing viewers to the aristocratic Crawley family and their servants.
The second season of Downton Abbey premiered, continuing to explore the social and political changes of the early 20th century.
The third season of Downton Abbey premiered, delving deeper into the lives of the Crawley family and their staff.
The fourth season of Downton Abbey premiered, featuring new storylines and characters alongside returning favorites.
The fifth season of Downton Abbey premiered, continuing the intertwined personal and historical narratives.
The final season of Downton Abbey premiered, concluding the series and resolving many story arcs.
The first Downton Abbey feature film was released, continuing the story of the Crawley family and their estate.