>The problem is that huge parts of those shows don't exist. Many were shot on kinescope and have not survived the years.

I don't know about all of them, but I'm fairly certain that Sid Caesar's shows still exist. He would never allow them in reruns because he was seriously afraid of what they'd do to the shows to be able to increase the commercial time as it grew over the years.

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>>What I'd really like to see (and I haven't checked availablity) are some of the really old interesting shows - Edward R. Murrow, You are There. I'd love to pick up the complete Sid Caesar's 'Your Show of Shows', but afaik it's never been released - just small collections.