User:SOTO/Forum Archive/The Panopticon/@comment-4369608-20140308183638/@comment-5938280-20140309001025

Twelve couldn't fly the tardis in the time of the doctor due to memory loss because of his regeneration, this happens sometimes. In fact in the TV movie he forgot entirely who he was for quite a bit of the film. Obviously by the Day of the doctor he got his memory back.