It has been confirmed by BBC News Entertainment correspondent Lizo Mzimba and Doctor Who magazine that the titles for the opening two-parter of the forthcoming series of Doctor Who are (hightlight gap below to reveal spoiler):
6.01: The Impossible Astronaut
6.02: Day of the Moon
Both episodes are written by Steven Moffat will air on Easter weekend (23rd-24th April) on BBC One and BBC One HD, times are to be confirmed. DWM also confirm that the titles for episodes 3-7 have also been revealed, they will be published in next month's edition.