James Garner and David Spade joined the cast afterward.

Following Ritter's death, ABC announced that the show would continue after a hiatus, and would incorporate the death of Ritter's character.

The three new episodes that Ritter completed were aired with Sagal introducing them.

The first four post-Ritter episodes were shot without a live audience with James Garner and Suzanne Pleshette guest-starred as Cate's strict parents and David Spade guest-starred as Cate's wayward nephew, C. Garner and Spade later received starring roles as Ritter's replacement for the rest of the show's broadcast.

Before Ritter's death, the show ranked 42nd in the Nielsen ratings.

The finale received a 3.9/8 rating share which gave ABC a third place finish behind NBC's Dateline (5.8/11) and CBS' Joan of Arcadia (4.9/10), which starred Ritter's son, Jason Ritter.

Shortly afterwards, ABC officially cancelled 8 Simple Rules in 2005.

He also had a recurring role on Disney's Good Luck, Charlie and played Young Sam Merlotte in [True Blood](series:200767).

Cate's father, Jim, came onto the scene to offer some patriarchal guidance and fill the absence left by John Ritter. was Cate's nephew who came onto the scene the same time as her father.

Tragically, John passed away during the show's filming, but his influence clearly lived on in later seasons.

It goes without saying that we were all fortunate to have a few final moments of John doing what John did best, and that's just one of the things that made 8 Simple Rules a standout.

8 Simple Rules for Dating My Teenage Daughter may have only been on for three seasons, but it was funny and touching enough to stay in our hearts many years later.