Legendary sitcom stars John Ritter and Katey Sagal team up in 8 Simple Rules, ABC's hit family comedy that is laugh-out-loud funny. "If you make my daughters cry, I'll make you cry." That's the rallying cry of Paul Hennessy. A little rusty in the parenting department, Paul is forced to meet fatherhood head-on when his wife Cate returns to work. Two teenage daughters and a wisecracking son make Paul's new situation daunting but never dull.