I too watched the series ad infinitum back in the '70s and '80s and don't need to see them all that often. Once in a great while, I'll stumble on a MeTV episode or pull one out on DVD because of a guest star/theme that I want to watch.
But if I had to choose by order, I'd pick airdate. That's the one I "grew up with" when the show started with an NBC peacock.
Harry