#15: Laverne & Shirley Reaches No. 1 in the Nielsen Ratings During the 1977–1978 Television Season
During the 1977–1978 television season, Laverne & Shirley reached the top position in the Nielsen ratings, becoming the most-watched program in the United States. The achievement placed the show ahead of many other popular series, including its parent show Happy Days.

The ratings success confirmed that the spin-off had grown into a television giant in its own right. Millions of viewers tuned in each week to watch the adventures of Laverne and Shirley. The milestone represented the show’s commercial peak and marked one of the biggest career highs for the entire cast.
