'Doctor Who' trailer: The Doctor comes to America, embraces hipster scruff

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The 2010 "Doctor Who" Christmas special marks the unofficial beginning of the series' sixth season, so it's only appropriate that the episode offer a decent look at the upcoming 12-episode run.

And the trailer for new "Who" does not disappoint -- especially for those curious about the series' first ever episodes filmed in the United States.

The American arc looks primarily Old West-y, though there is a shot of the oval office. (We don't think they shot the latter on location.) Matt Smith does his part to complement the scenery by adding a Stetson to his bowtie and suspenders.

As for plot take-away, there's still not much to go on -- other than baby-doll looking aliens, Roman numeral smallpox, a disarming Doctor beard and the return of River Song ( Alex Kingston)... naked. If Season 5 teased correctly, this could be the point where they pull a "Time Traveler's Wife" and finally get romantic.

Photo/Video credit: BBC