Blending street grit and strutting style, Badham caught the zeitgeist to the tune of the Bee Gees’ era-defining song score; movie and soundtrack album both became blockbusters. Bay Ridge and Bensonhurst buddies, plus at-home strife, color paint-store staffer John Travolta’s world — but he lives for the weekend disco-dance-floor with partners including Fran Drescher (in her film debut). Travolta’s performance was Oscar-nominated; at the ceremony, another supreme screen dancer, Debbie Reynolds, serenaded him as “young John who comes on at a feverish pace!”