"With the birth of television, documentary programs became the central core of TV productions. In the 80 years span of TV presence in our daily life, TV documentaries have gone through changes both in form and content. The goal of this article is to find an explanation for recent modes of TV documentary.
My finding Justifies that the most important development of TV documentary on the threshold of 21 century is what usually termed as ""Reality TV"".
The origins of this genre, its various formations, its evolution throughout decades, have all been discussed in this article. The methodology of this research is based on Survey method."