According to Shibori Girl of of blogspot.com, the Addams family and the Munsters came close to uniting at the Golden Plough Inn in Peddler's Village, PA. Unfortunately, this joining ended in tragedy with the death of Eddie Munster.
While claims of the Munsters appearance in this production are unverified, Without A Cue Productions, LLC has indeed been presenting a Murder Mystery Dinner Theater entitled, "Itt's an Addams Family Mystery," since September. The Dinner Theater is summed up on the peddlersvillage.com website:
Neat. Sweet. Deceased.
The Addams Family.
The show will be running until December 26th.
Read an article on the show on phillyburbs.com
Check out what Shibori Girl had to say about the show (includes photos)