Television documentaries are televised media productions that screen documentaries. Television documentaries exist either as a television documentary series or as a television documentary film.Television documentary series, sometimes called docuseries, are television series screened within an ordered collection of two or more televised episodes. Television documentary films exist as a singular documentary film to be broadcast via a documentary channel or a news-related channel. Occasionally, documentary films that were initially intended for televised broadcasting may be screened in a cinema.