This episode is all about compatibility. Carrie is trying to have a final hurrah with Big (spoiler, it doesn’t happen). Charlotte has decided to date again (spoiler, her date decides they are incompatible). Sam is trying the relationship-life on for size (spoiler, monogamy might not be for Richard after all). Miranda & Steve are negotiating baby names (spoiler, although they don’t agree the name they chose isn’t one that either of them initially suggested). Kerry is doing the coachi...