This study aims to examine the relation between mock-documentary and factual discourse of documentary. By factual discourse it is meant to documentary&rsquo / s claim of representing reality. Within this respect, documentary has its own particular codes and conventions to construct its factual discourse. Mock-documentary, simulates these codes and conventions to create a fictional world. In this study, mock-documentary and its relationship with the most popular modes of documentary is examined. Within this study the earliest examples of mock-documentary and recent examples of the form are compared, and it is stated that with the recent examples of the form the critical approach of mock-documentary has been reduced.