This is one of the best episodes of the series, not because of the science fiction aspects, but because it is one of the few where the characters are fleshed out. Fred Astaire guest stars as an old scoundrel with many of the mannerisms of Starbuck and after testing, it turns out that he is in fact his father. It is great to see the elder Astaire in a character role, where he relies on dialog rather than body movements. Of all the episodes of BG, this one probably has the best dialog and Astaire … more