Suffering from sticker shock at the gas pump following the 1973 oil crisis, Americans flocked to theatres to see Mel Brooks' politically-incorrect spoof of the classic Hollywood Western. The film raked in nearly $120 million domestically and remains one of the highest-grossing comedies in box-office history.
Average ticket price: $1.89 ($8.43 in today's dollars)
NEXT: E.T.: The Extra-Terrestrial (1982)