We use Roku to stream Netflix, which offers Downton. Newer TVs and DVDs have the streaming technology built in, so you do not need ROKU.
Suggestion: we use closed captions to translate some of the British jargon used 100 years ago.
Great show for those who appreciate such stories!
Baldwin, LI (Holy Cross HS, University of Notre Dame); Hannacriox, NY; Brighton, MI; Racine, WI; Littleton, CO; Vista, CA; Bonnybrook