saturdaynight NBC debut of 1975 Kind of special? Fever time? Bay City Rollers song #1 of 3: When to order take-out "Mr. ___" (1992 Billy Crystal movie about a stand-up TV star): 2 wds Popular date time ... or a phrase that can precede the starts of 20-, 33- and 40-Across "Juke Box ___," 40's hit Popular date time ... or Parts of SNL On-the-town time for many