"Doctor Who: The Day of the Doctor" -- the official semicentennial special of the cult British sci-fi series -- rounded up 3.6 million total Whovians on Saturday, according to Nielsen.
That included 2.4 million viewers for the daytime airing of the much-anticipated special, which was beamed live to 94 countries around the world to avoid spoilers. That was a best-ever rating for BBC America, which carries "Doctor Who" in the U.S.
The rest of the U.S. audience came from a repeat on BBC America during Saturday prime time.
As befitting its status as a cult favorite, "Doctor Who" also burned up social media over the weekend.
There were 14.5 million views of "Doctor Who's" Tumblr on Saturday, more than for any other televised event, including the Super Bowl and the MTV Video Music Awards.
But the American ratings paled beside those in the U.K., where "Doctor Who" is an institution. The BBC said that 10.6 million Britons watched the program."