Cheers originally aired on NBC from September 30, 1982 to May 20, 1993. Over the series run, 275 original episodes aired, an average of 25 episodes per season. In the early 1990s, 20 volumes of VHScassettes were released; each had three half-hour episodes. The whole series is currently available on multi-disk sets on DVD, two to four per season. The series is also available on iTunes.
Season 3 (1984–85">1984–85 United States network television schedule#Thursday">1984–85)
Season 4 (1985–86">1985–86 United States network television schedule#Thursday">1985–86)
Season 5 (1986–87">1986–87 United States network television schedule#Thursday">1986–87)
Season 6 (1987–88">1987–88 United States network television schedule#Thursday">1987–88)
Season 7 (1988–89">1988–89 United States network television schedule#Thursday">1988–89)
Season 8 (1989–90">1989–90 United States network television schedule#Thursday">1989–90)
Season 9 (1990–91">1990–91 United States network television schedule#Thursday">1990–91)
Season 10 (1991–92">1991–92 United States network television schedule#Thursday">1991–92)
Season 11 (1992–93">1992–93 United States network television schedule#Thursday">1992–93)
Ratings notes
; Season 1 According to Los Angeles Times, ratings from 1982 to 1983 were based on 83.3 million households with at least one television set. "Television Ratings" column list is located at Part VI, "Calendar" section. Below sources originated from Los Angeles Times, republished in microfilm copies, which may be located in your local library. ;Season 2 Except where noted, they were originally published in print editions of The Miami Herald newspaper. ;Season 3 According to Los Angeles Times, Nielsen ratings of 1984-85 were based on 84.9 million households. ;Season 4 According to the Daily Breeze, a newspaper from Torrance, California, the 1985–86 ratings are based on 85.9 million households with at least one television. ;Season 5 According to from The Argus-Press, the 1986-87 ratings were based on 87.4 million households with at least one television set. Unless otherwise, the sources were of the newspaper Pittsburgh Post-Gazette. ;Season 6 Unless otherwise, the main source of Nielsen ratings is the newspaper Pittsburgh Post-Gazette. According to that main source, ratings of 1987-88 were based on 88.6 million households that have at least one television. ;Season 7 Unless otherwise, the main source of Nielsen ratings is the newspaper Pittsburgh Post-Gazette. According to that main source, ratings of 1988-89 were based on 90.4 million households that have at least one television. ;Season 8 According to many newspapers, including the main source USA Today, the 1989–90 Nielsen ratings are based on 92.1 million households that have at least one television.
