Making-of, also known as behind-the-scenes or Backstage, “the set” or “on the set” is a documentary film that features the production of a film or television program, often referred to as the EPK (electronic press kit) video, due to its main usage as a promotional tool, either concurrent with theatrical release or as a bonus feature for the film.

In the internet era is one of the most common releases and video package requested service: parto of the large documentary’s brand, the “making of” is a video product normally referred to cinema and tv productions, but finally avavilable for every kind of process.