Visible crew/equipment: In the end scene when Tony comes to Stephanie's house to apologise, you can see the microphone coming down from the ceiling.
Mistakes
In the beginning, Travolta is walking down the street with a paint can. It's a sunny day. He then looks to cross the street, crosses, and now the streets are wet with rain. See more...
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Saturday Night Fever mistakes
Continuity: When Tony walks into 2001 that first night, he shakes hands with some guy as he is walking through the club and again a few minutes later.
Continuity: When John Travolta and Karen Gorney leave the dance club after giving back their first prize for the dance contest they head for the car. Before they get in the rear window on the passenger side is closed. After they get in it is open. After Travolta gets out it is closed again.
Saturday Night Fever trivia
John Travolta's sister and mother have cameo roles in this film. John's sister Ann appears as the pizza lady, and his mother Helen appears as the woman for whom he gets the paint.
Saturday Night Fever quotes
Tony Manero: If you're as good in bed as you are on the dance floor, then you must be one lousy f*ck.
Connie: Are you as good in bed as you are on the dance floor?