CJ7 (Chinese: 長江七號; Cantonese Yale: Cheung gong chat hou) is a 2008 Hong Kong-Chinese science fiction comedy drama co-written, co-produced, starring, and directed by Stephen Chow. It was released on 31 January 2008 in Hong Kong. It was also released on 14 March 2008 in the United States.In August 2007 the film was given the title CJ7, a play on China's successful Shenzhou manned space missions—Shenzhou 5 and Shenzhou 6.