I had never heard of this series, but the clip made me immediately go do some research. As David said, it appears to be very much in the mold of The Twilight Zone before there ever was such a thing. I'd certainly love to see the episodes in the first volume.
I bought the DVDs of Yancy Derringer when they first became available years ago, but it's so easy to stream it from Amazon Prime at the moment, and that's what I do (I've watched the series through quite a few times, but I always return to it with pleasure after brief breaks from it). Another...