The show already has.

Going off of Star Trek you can tell the cast is beginning to check out ar season 6, so 5 ia probably the perfect rub

Her and the Paul Downs seemed non-plussed about Jean Smarts Emmy win.

Yes! I love this show and I agree they should end on a high as long as the ending feels natural and not contrived because they’re afraid of the show’s potential decline. I trust them to do the right thing!