This is an interesting episode. The host (EG Marshall) seemed more philosophical than in other shows, and also more omniscient. The main character's dementia is never really explained, other than unhappiness in the present. But I think that is a good thing, and one of the strengths of the series, that it left things hanging (and often troubling). Howard DaSilva was in a lot of episodes, at one point (around the Bicentennial) he was starring in shows and was also in some of the commercials broadcast around it! I was a bit confused by the AIDS commercial just before the epilogue, that puts this broadcast no earlier than the early 'eighties. At any rate, another good show.