* The show title is incorrect: There might be a slight error in the title. Double check the information you have.
* The show was never released: Perhaps the show was filmed but never officially released to the public.
* The show was a local or private event: The performance might have been a one-off event that wasn't widely distributed.
To get more information, you could try searching for "Buddy Hackett" with additional keywords like "stand-up special," "1983," or "uncensored" to see if you find anything relevant. You could also check online forums or databases related to stand-up comedy for information.