The following is a list of most watched United States television broadcasts of 1988 (single-network only) according to Nielsen Media Research.
Most watched by week Week of Program Network Viewers(millions) July 25 The Deliberate Stranger (Part 2) NBC 26.1 The Cosby Show 26.1 A Different World 26.1 August 1 Cheers 23.1 August 8 25.2 A Different World 25.2 August 15 The Cosby Show 22.1 August 22 A Different World 28.0 August 29 28.7 September 5 Miss America 1989 33.1 September 12 A Different World 26.9 September 19 1988 Summer Olympics (Sat) 29.5 September 26 1988 Summer Olympics (Mon) 27.1 October 3 The Cosby Show 37.6 October 10 36.5 October 17 40.5 October 24 41.1 October 31 39.8 November 7 49.3 November 14 41.7 November 21 The Golden Girls 38.2 November 28 The Cosby Show 41.1 December 5 38.0 December 12 A Very Brady Christmas CBS 41.0 December 19 Roseanne ABC 35.4 December 26 The Karen Carpenter Story CBS 40.0
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