The comedy was very popular and the original cast of Tung, Shum, Chan, Lee and Kwan reappeared in its sequels It's a Mad, Mad, Mad World II (??????????????) (1988), It's a Mad, Mad, Mad World III (?????????????????) (1989) and It's a Mad, Mad, Mad World Too (???????????????) (1992). The plots of the films are all about the family become suddenly rich, usually through lotteries.