Three years or so before the debut of “Cheers,” Shelley Long guests as Nurse Nancy Mendenhall in “Bottle Fatigue.” When a newly teetotal Hawk tries to mansplain her out of drinking wine during their date, Mendenhall calls it off. A born bartender, although the role is disappointingly small. “If I would have known that I was going to receive a temperance lecture,” she says, “I would have made a date with someone more fun. Like a cadaver.”