8 Simple Rules (originally known as 8 Simple Rules for Dating My Teenage Daughter) is an American television sitcom that originally aired on ABC from September 17, 2002 to April 15, 2005. Loosely based on humor columnist W. Bruce Cameron's book of the same name, the show starred John Ritter until he died in 2003. Then it was Katey Sagal who took over the show's starring position for the rest of its series run.

Premise

8 Simple Rules is about a married couple with three children and is set in a suburb of Detroit, Michigan. The father, Paul Hennessy (John Ritter), is a sportswriter who is prompted by his wife Cate's (Katey Sagal) return to nursing to take a more active role in raising their two teenage daughters, Bridget (Kaley Cuoco), and Carrie (Amy Davidson), and their son Rory (Martin Spanjers). He is soon overwhelmed by the responsibility of being the father of teenage daughters and misses being a sports writer. Paul begins writing a column from home about his struggles with his children and offers advice to people who are in his same position.
His teenage daughters are dating, which sparks the use of the "8 simple rules for dating my teenage daughter". The show, created by veteran comedy writer Tracy Gamble, derives its name and some of its elements from W. Bruce Cameron's book 8 Simple Rules for Dating My Teenage Daughter.