A new poster for the Season 7 finale of Doctor Who confirms that Alex Kingston is returning as River Song. The character was last seen earlier this season in The Angels Take Manhattan. Check out the poster, then read on for more details about this upcoming final episode, which is entitled "The Name Of the Doctor", airing Saturday, May 18.

<strong><em>Doctor Who</em></strong> Season 7 Finale

The actual name of the Time Lord (Matt Smith) will likely be revealed in this finale, a mystery which has been teased for nearly five years, since Alex Kingston's first appearance in the Season 4 episode "Silence in the Library"..

BBC is also planning a 50th Anniversary celebration after the finale next month, although a premiere date has not been revealed at this time.

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