Paul McGann returns to 'Doctor Who' in new 50th anniversary mini-episode 

No offence to Paul, but this seriously destroyed all my hope in Eight. I mean, I know he did it because he thought he was going to save lives, but The Doctor wouldn't honestly choose of his honest free will to become a warrior! That's just not like him... is it?

Steven 'Muppett' strikes again.

It might be explained more in 'The Day of the Doctor'...