S1.E1 ∙ Episode #1.1Mon, Sep 11, 1972A long-running series in which members of the public sit in a black chair to answer questions on a specialist subject and general knowledge.Rate
S1.E12 ∙ Semi-Final 1Mon, Dec 4, 1972The first of the semi-finals, featuring four of the 11 first-round winners.Rate
S1.E13 ∙ Semi-Final 2Sun, Dec 10, 1972The second semi-final, featuring four of the 11 first-round winners.Rate
S1.E14 ∙ Semi-Final 3Mon, Dec 18, 1972The third semi-final, featuring the remaining three of the 11 first-round winners.Rate