Julia Duffy, Jan Smithers, and the Pineapple

Yes, it’s a holiday weekend, but I never stand down from my Friday Question watch. So here they are:

Klee gets us started:

Perhaps it's been brought up before. Kirstie as Shelley's replacement brought new life to the show. On the other hand, when Julia Duffy replaced Delta Burke on Designing Women, the show never quite recovered. Conversely, when Julia replaced Jennifer Holmes on Newhart,