As this story ends, the Doctor, with obvious glee, provides the Thals with guidance on how to start a new civilization. He declines to stay – he is too old to be a pioneer, though once, he says, he was. But his love of creating a situation like this is obvious. It is the first time since Ian and Barbara intruded on his life that he appears happy. Here, for the first time, he is truly learning to be the Doctor.
