Weeks before its intended premiere date, the first episode of the revived Doctor Who arrives early, via a rough edit leaked to internet filesharing services. Eventually traced to a real preview copy in the hands of a Canadian broadcaster, the episode is missing the new version of the theme music, but is otherwise mostly complete. The BBC tracks down the source of the leak, all while realizing that fandom is now capable of acquiring more than just advance episode titles and photos early.
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