Hi friends I am sharing about one is the popular channel it is noting but national geography in my childhood time I am watching this channel very interesting because A series of documentary specials that covers a diverse number of subjects including the natural world of wild creatures, native cultures, historical discoveries, etc. The specials range from a Nazi Expedition to Monkey Hunters, all the way to the Penguin Death Zone, and exploring the Year of the Hamster.The NGC specials is a collection of educational documentaries presented by the National Geographic Society that first began it's telecast on CBS Primetime Specials from 1964 until 1973. From 1973 to 1975, it was on ABC Primetime Specials. PBS began telecasting the NGC specials at various times between 1975 to 1985. In 1985 and onwards, the programmes were telecasted.