CGTN Documentary (formerly CCTV-9 until 31 December 2016) is a Chinese pay television channel operated by Chinese State broadcaster China Central Television (CCTV) as a part of CGTN group of international channels, broadcasting documentaries in the English language.
It used to share the "CCTV-9" name with its sister documentary channel in Mandarin Chinese. The channel has also been known to carry some Mandarin-language programmes with English subtitles; they broadcast new programming between 7:00pm and 11:00pm Beijing time, and repeat archival programming at other times.