Rebel, outlaw, porn pioneer: Director Howard Ziehm made Mona the Virgin Nymph, the first explicit feature film to receive US theatrical distribution in 1970 – at a time when pornography was still illegal. Later, he made the cult science fiction sex parody Flesh Gordon , the production of which became a long battle against the law, acute lack of money, and other problems. The documentary Finding Planet Porno approaches Howard’s story on a personal level, and through his eyes and those of his companions it paints a portrait of an unusual, perceptive cinematic outsider – and depicts an era of great social upheaval. But what is left of all that?