Are you sitting comfortably? Then Russell T. Davies will begin. ‘There are two people who were once friends [a man and a woman]. One of them, he's now forgotten. And it's like a spell has been cast over her. If she remembers her friend, she might die.’
For more details, take a TARDIS jaunt to 2008. When Donna Noble (Catherine Tate) absorbed a potentially fatal dose of Time Lord knowledge, David Tennant's 10th Doctor wiped her overloaded memory to save her life. And if her memory returns… Ignore
