It was indeed interesting that in this story the \"invisibility\" theme sort of, well, vanished. When I read the summary of the episode in the Payton/Grams book on CBSRMT, I thought what I was about to hear might be a rewrite of a very fun, if forgotten, film of the 1940s called INVISIBLE AGENT---the 4th, I believe, in Universal\'s \"Invisible Man\" series. But no, this went in another direction entirely. I thought the shadow could have done more killing---what\'s the fun of a murderous shadow if it doesn\'t kill a *lot* of people, and gruesomely?---but still, it was a fun show. &nbsp;I found it odd that Bob Juhren, the writer, would name his main character \"John Gilbert,\" which was the name of one of the biggest movie stars of the silent era---as a man of Juhren\'s age must surely have known. I\'m probably the only person on the face of the planet who would be distracted by this---Gilbert, the *real* Gilbert, is almost completely forgotten---but it pulled me out of the story every time they said his name! (This might be because one of my books is about John Gilbert....the real one, not the shadow-man.)&nbsp;<br>