With Doctor Who's 50th anniversary coming up next year, there have been inevitable clamours for a multi-Doctor story.
Not counting the infinitesimal crossover of regenerations, the most recent time we've seen two Doctors in the same place was 2007's 'Time Crash' mini episode for Children in Need.
David Tennant's Tenth Doctor and Peter Davison's Fifth Doctor enjoyed some banter on the deck of the TARDIS. Perhaps this picture hints at a return for Ten in 2013?
The stars got close after attending an after-party for the press night of Our Boys at the Duchess Theatre in London.
Jonathan Lewis's play features among its cast former Hogwarts alumnus Matthew Lewis, and a certain Arthur Darvill, who of course bid farewell to Smith not too long ago.