In recent years, network executives have rebooted and revived decades-old TV series at will, all in the hope of finding a born-again hit.Classic series like “Magnum P.I.,” “Murphy Brown,” “The X-Files” and “Roseanne,” to name just a few, have all been exhumed and brought back to life, some with the original casts, others with new ones.It took a long while for “Night Court,” a popular but not quite chart-topping 1980s sitcom, to get its shot. So far it is, somewhat inexplicably, paying off.The first three episodes of NBC’s “Night Court” revival scored the highest ratings of any new network comedy in four years. The show is averaging 6.6 million viewers, according to Nielsen, and the first episode, which premiered on Jan. 17, has drawn more …
