There once was a time when European audiences flew to the Internet looking for new episodes of television shows that had already been broadcast in the United States, but not elsewhere.

But with the international success of "Doctor Who," especially with the final episodes coming up next month with series star David Tennant, excitement couldn't be bigger. So much, BBC is worried about piracy ... from across the pond.

Because of that, BBC America is planning to air the final two Tennant episodes of "Doctor Who" beginning Dec. 26 -- a day after the shows air on BBC in the United Kingdom.

To get all the details, see the full story at Airlock Alpha.