Steven Moffat discusses "the 12-regeneration rule," and more information is reve… By MeMe | October 16, 2013 - 3:28 pm |October 16, 2013 Doctor Who Images From Around The Web Share this:ShareEmailRedditFacebookTwitterGoogleTumblrPinterestPocket Tagged bbc, doctor who, doctor who images, matt-smith. Bookmark the permalink.