...st episode

https://news.avclub.com/heres-how-al-jean-thinks-the-simpsons-should-end-1827898425

Al Jean says an eternal time loop will allow the series to continue on “without a beginning or an end."

I wouldn't mind it. I wonder if they can draw them like they did in the first episode?

As far as the questions, "How come they haven't aged" and whatnot, you could ask that question for the whole series.