The Fifth Estate is an English-language Canadian newsmagazine television program. It airs on the national CBC Television network as well as on CBC News Network. The name is a reference to the term "Fourth Estate", and was chosen to highlight the program's determination to go beyond everyday news into original journalism. The program has been on the air since September 15, 1975, and its primary focus is on investigative journalism. It has engaged in co-productions with the BBC, The New York Times, The Globe and Mail, the Toronto Star, and often with the PBS program Frontline.