Overall the episode had 2 million watching, with 1.1 million being between 18-49, nearly doubling the S8 average, making BBC America the third most watched channel in that demographic for the timeslot.
The channel beat the big 4 broadcast networks and ranked only behind college football on ESPN and the finale of Sábado Gigante on Univision. Out of 100 returning dramas, Doctor Who is one of just 14 dramas to show any growth from its prior season premiere.
Sarah Barnett, President of BBC AMERICA said
Doctor Who is unlike anything else on television, a storied franchise that is as fresh and contemporary as ever, with brilliant writing and superb performances. We couldn’t be more thrilled that new and returning Doctor Who fans tuned into the live première in record numbers and we look forward to bringing more of the Doctor to this passionate audience.All tracked demographics showed increases from the season 8 average with the most significant increases seen among the younger viewers.
The episode was the #1 most social drama of the night based on ListenFirst's Digital Audience Ratings for Television. It was the #1 TV brand on Tumblr, the #1 drama on Facebook, Twitter and YouTube and the #2 drama on Instagram, following The Walking Dead. It was the #1 most social drama of the week.