User:SOTO/Forum Archive/The Panopticon/@comment-4028641-20151011010956/@comment-1783865-20151013115917

User:SOTO/Forum Archive/The Panopticon/@comment-4028641-20151011010956/@comment-1783865-20151013115917 And the flashback of the Doctor from the very beginning of the episode as well as the sounding of the guitar will lead us back to that explanation, making us understand that this explanation was given to Clara shortly after the episode ended.