THE PANDORICA OPENS/THE BIG BANG River Song has a message for the Doctor: the mythical Pandorica is opening. As the Doctor confronts an army of old enemies, only one thing is certain... the Pandorica will open and “silence will fall”. A CHRISTMAS CAROL Newlyweds Amy and Rory are trapped on a spaceship that is heading for disaster, and the only way the Doctor can rescue them is to save the soul of a lonely old miser. THE IMPOSSIBLE ASTRONAUT/DAY OF THE MOON A mysterious summons leads to a fatal encounter with an astronaut in the Utah desert. Having witnessed the Doctor's ultimate fate, the Doctor and his friends travel back in time to 1969, in search of answers.