What happens at a movie premier?

Answer 1

A movie premiere is where the film maker or studio, invites a bunch of famous and important people to view a film at a private viewing i.e. by invitation only.

Then based on the response, they either will promote it heavily or at the other extreme they will shelf it.

Answer 2

The very first time a movie is shown to an audience. It is usually a very big deal.

Answer 3

It means the first showing of a film. It can also mean the first wide release of a movie to theaters across the country.