The Day of the Doctor When the Doctor's past returns to haunt him, along with two of his previous incarnations, he is forced to re-live the most momentous day of his life - the last day of the Time War. The Time of the Doctor A mysterious message is being broadcast across the universe. The Time Lords are calling for help. To prevent another Time War, the Doctor heads to the besieged planet Trenzalore...where he is fated to die.