Just Another Pandora's Box, also known as Once Upon a Chinese Classic, is a 2010 Hong Kong parody film directed by Jeffrey Lau, starring Ronald Cheng, Gigi Leung, Betty Sun, Eric Tsang, Huang Bo, Guo Degang, Gillian Chung, and Patrick Tam. It is a spiritual successor to Lau's two-part 1995 film A Chinese Odyssey. Athena Chu, who starred in A Chinese Odyssey, makes a guest appearance in Just Another Pandora's Box.