Trivia: Throughout the various television treatments and feature films over many decades, the Addams Family storyline frequently concerned the family's fabulous and mysterious fortune, which was always the target of nefarious (and doomed) flim-flam schemes. However, it was almost never explained how the Addams Family obtained their incredible riches. In this episode from the original TV series, Gomez and Morticia finally revealed the diverse sources of their wealth: Gomez cites his mango plantation, "Mangoes Incorporated"; his Mozambique crocodile farm, "Crocodiles Unlimited"; his Himalayan tapioca mines on Mount Everest, "Tapioca Limited"; and Morticia additionally mentions "Amalgamated Swamp" and his buzzard farm.

The Addams Family (1964)
1 trivia entry for season 2
Starring: John Astin, Carolyn Jones, Jackie Coogan, Ted Cassidy
Christmas with the Addams Family - S2-E15
Continuity mistake: When the second Santa (Grandma) knocks at the children's door, in one brief shot Wednesday already has 2 dolls in her arms.
Gomez: The L stands for Lucifer.
Morticia: Very appropriate for a politician.
Question: How was effect of the light bulb that lit up whenever Fester put it in his mouth achieved?
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Answer: Basically from what I understand, they stuck the innards of a small flashlight into the base of the bulb and put a little switch on it. When he put it in his mouth and bit down, his teeth would hit the switch, which would turn on the flashlight and made the bulb light up.
TedStixon