Discover the new Doctor Who classics.
Earth is under attack by power-hungry aliens. This is no time for the Doctor to be out of action.
When a British space probe is intercepted by a sinister alien vessel on the eve of Christmas, it marks the beginning of an audacious invasion of the Earth by the Sycorax – horrifying marauders from beyond the stars. Within hours, a third of humanity stands on the brink of death with not a single shot fired.
Our planet needs a champion – but the Doctor…