John Travolta, Barry Gibb and the Saturday Night Fever cast and crew tell the story behind the mega-hit film. Bruno Tonioli goes through the disco steps that made movie history.

Leo and Angela Russo live a simple life in Queens, surrounded by their overbearing Italian-American family. When their son finds success on his high school basketball team, Leo tears the family apart trying to make it happen.

Seeking to raise his credibility as an actor and to land a role as a tough cop on a new show, Hollywood action star Nick Lang works a deal with New York City Police Capt. Brix, who by chance is one of his fans. Nick will be paired with detective Lt. John Moss and learn how to act like a real cop. But when Nick drives John crazy with questions and imitating him, he gets in the way of John's pursuit of a serial killer.