至善如金，心中有光，照亮前行的路。手指抠弄绳结摩擦

　　Good as Gold was a mini-episode of Doctor Who written by the winners of a Blue Peter script-to-screen competition. 　　Bored of not having any adventures lately, the Doctor and Amy get a bit more than they asked for when they set out on one. Landing in London 2012, there's only one piece of advice that can help them now: Whatever you do — don't blink!