* {{Bowdlerise}}: The movie was originally rated "R" in the United States, but the studio re-released it to theaters in a "PG" version with little to no profanity, drug use, and nudity. Wiki/{{Wikipedia}} has [[http://en.wikipedia.org/wiki/File:Saturday_night_fever_pg_version_movie_poster.jpg a picture]] of the poster that advertised it.
* HeyItsThatGuy
** John Travolta as Tony, obviously. But there's also a young [[Series/TheNanny Fran Drescher]] as Connie, whom Tony rebuffs on the dance floor.
** The mom from ''Series/EvenStevens'' gets date-raped.
** Denny Dillon from ''Dream On'' and ''Saturday Night Live'' wants to wipe Tony's brow.
* HollywoodPudgy: [[Series/OutOfThisWorld Donna Pescow]] (Annette) gained 30 lbs to better fit the role, as well as training herself back to her Brooklyn accent. (Immediately after the film was done, she set to work losing the extra weight and the accent.)
* TheRedStapler: As the main article say, the film created a nationwide craze for Disco music and Disco dancing (together with discotheques), while before Disco was mostly confined to the New York and Philadelphia gay communities. Also, Travolta's suit from the movie instantly became fashionable.
* StarMakingRole: For Travolta, obviously. Although he'd already made a name for himself in ''WelcomeBackKotter'', this movie pushed him into true superstardom almost overnight and, together with ''Film/{{Grease}}'' and ''Film/PulpFiction'', remains his most memorable performance.
* VeryLooselyBasedOnATrueStory: "Tribal Rites of the New Saturday Night", a 1975 ''New Yorker'' article. Ironically, it turns out that the article was completely fabricated.
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