"Lost" Munsters Special Now on Amazon Prime for free
Apparently this odd special was lost for decades. Too bad it's not good due to it not being written by the regular writers of the series and there is no laugh track which feels wrong, also.
https://www.amazon.com/Marineland-Carnival-Munsters-Cast-Members/dp/B0B8TGWK46/ref=sr_1_1?crid=3L16IZ8G9VYB5&keywords=marineland+carnival&qid=1684791348&s=movies-tv&sprefix=marineland+carnival%2Cmovies-tv-intl-ship%2C533&sr=1-1