I'm not sure if anyone has been able to purchase this without having previously purchased the set. I gave them my info and they were able to confirm that I had purchased the full Lost Episodes set already. I explained that I supported the release from the start, and would like the bonus disc...
I believe your source is in error. The 2/9/70 show according to my original copy of TV guide featured Tim Conway, Ken Berry (not Steve Lawrence) and Kay Medford. it is listed as a rerun and the description matches episode 301, which originally aired on 10/20/69.
I don't think the 11/17/73 show exists. My TV Guide for that date lists no episode description (and there was always a description for Carol Burnett). Additionally all the episode (production) numbers are accounted for. I also found these notes on TV.com:
Though TV Guide listings (which...
Pleasantly surprised that Once Upon A Mattress included the original commercials! However, the closing credits are lopped off, almost as if it's a mistake in authoring. It really screws it up for me. Hopefully they will offer a fix for this as it surely seems unintentional.