Overview
Chain Letter is an American game show produced by Stefan Hatos-Monty Hall Productions that aired on NBC during the summer and early-fall of 1966. Comedian Jan Murray hosted this game show, while Wendell Niles did the announcing.
Game play
Main round
Two teams, each with one celebrity (team captain), and a studio contestant, competed against each other.
A category was stated such as "Items you might find in a lady's handbag" or "Gifts for the boss's birthday". The first player would have ten seconds to give a word pertaining to the category. Then, the next player would have ten seconds to give another word in the same category using the last letter of the previous word as the first letter of the new word. Each player alternated giving answers until a bad answer was given or their guessing time ran out causing the chain to be broken. The team earned one point for each acceptable answer with the opposing team earning one bonus point when the chain was broken and control of the next category.
From Wikipedia (CC BY-SA 4.0).