The Invincible Medic (ä»Âè ç¡æµ) is a TVB television series, premiered in 1980. Theme song "The Invincible Medic" (ä»Âè ç¡æµ) composition and arrangement by Joseph Koo, lyricist by Wong Jim, sung by Jenny Tseng. The martial arts series are likely known for a japanese style of props and culture.