After three seasons, ABC cancelled 8 Simple Rules in May 2005 because of low ratings.

How many years was John Ritter on 8 Simple Rules?

Ritter, who made his TV sitcom comeback on 8 Simple Rules last season, 25 years after becoming a star on ABC with Threes Company, collapsed while working on the fourth episode; he died soon after of a previously undetected heart defect.

Who played the younger sister in 8 Simple Rules?

Amy Davidson Amy Davidson , who played the younger sister, is six years older than Kaley Cuoco, who played the eldest of the siblings.