Piedone l'africano (internationally released as Flatfoot in Africa, Knock-Out Cop and The K.O. Cop) is a 1978 Italian "poliziottesco"-comedy film directed by Steno and starring Bud Spencer. It is the third and penultimate chapter in the "Flatfoot" film series.It is preceded by Flatfoot and Flatfoot in Hong Kong and followed by Flatfoot in Egypt