Check out this website for a few PD ep's! U have 2 sign up but it's worth it. they have alot of shows on their website not seen in years!
http://archives.museum.tv/archives

I'll have to check this out, its been ages since I've seen The Patty Duke Show

they also have 2 ep's of "You Can't Do That on Television" & some original "Carol Burnett Show" ep's(the hour long original, not the syn. 30 mins version!) & of course many others...also watched a few old ep's of "All My Children" that had original commercials included!!