I continue to point out this holiday weekend’s CNN rebroadcasts of the TV episodes of its ongoing decades documentary series, because a) they’re excellent, and b) I’m in them. Tomorrow, the new one, The 2000s, arrives – so consider tonight’s repeat of the two-hour TV episode of The Nineties an immediate prequel. Watch it with friends, because Friends is a big part of it. Hence the installment’s title: “The One about TV.” (Each Friends episode was called “The One...” about something.)