De koperen hond is an episode in the 1969 Dutch television action series Floris, written by Gerard Soeteman starring Rutger Hauer and Jos Bergman and directed by Paul Verhoeven. Originally aired 12 October 1969.
Van Rossum is planning to use the biggest cannon ever constructed, De Koperen Hond (The Copper Dog) in order to destroy Van Oldenstein's defenses in one fell blow. It is up to Floris and Sindala to try to sabotage the cannon before it gets there.
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