Documentary film
DVD documentary

A DVD documentary is a documentary film of indeterminate length that has been produced with the sole intent of releasing it for direct sale to the public on DVD, which is different from a documentary being made and released first on television or on a cinema screen (a.k.a. theatrical release) and subsequently on DVD for public consumption.

This form of documentary release is becoming more popular and accepted as costs and difficulty with finding TV or theatrical release slots increases. It is also commonly used for more "specialist" documentaries, which might not have general interest to a wider TV audience. Examples are military, cultural arts, transport, sports, animals, etc.
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