Tony spends his Saturdays at a disco where his stylish moves raise his popularity among the patrons. But his life outside the disco is not easy and things change when he gets attracted to Stephanie.

An up-and-coming nightclub singer falls in love with a shy young deaf teacher who aspires to be a dancer.

A young screenwriter allows others to exploit her in the hopes of "making it" in Hollywood.

The movie centers on a piano competition whose winner is assured of success. It is Paul's last chance to compete, but newcomer Heidi may be a better pianist. Can romance be far away? Will she take a dive despite the pressure to win from her teacher, Greta, or will she condemn Paul to obscurity?

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.

Carlo, a former mobster, is abducted by five privileged young men desperate to raise a $2 million ransom to save the sister of a friend. As Carlo plays mind games, however, his captors splinter -- each wondering whether one of their own had a hand in the crime.