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"8 Simple Rules" was an American sitcom that aired on ABC from 2002 to 2005. The show starred Katey Sagal as Cate Hennessy, a single mother raising her three children with the help of her father, Jim (John Ritter). The series focused on the everyday challenges and triumphs of family life, as Cate and her children navigated the ups and downs of adolescence, parenting, and relationships.