I first saw “The Celestial Toymaker” (episode four on the Lost in Time DVD set) early on in my Doctor Who watching and, frankly, didn’t get that much from it. At that time I had yet to meet Steven, much less Dodo, so I had no connection to the companions whatsoever. Stephen was a companion for quite a while, but most of his tenure (seven out of ten stories) is missing. Much of the relative newcom…