Huo Yuanjia
The opening theme song of "The Legendary Fok", performed by Johnny Yip, was reused as the opening theme song of "Huo Yuanjia" (2008) and "Huo Yuanjia" (2001). However, in "Huo Yuanjia" (2001), the song was sung in Mandarin instead of Cantonese and was not sung by Yip.