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Z Channel: A Magnificent Obsession is a 2004 documentary film about Los Angeles pay cable channel Z Channel which was directed by Xan Cassavetes, daughter of Hollywood director and actor John Cassavetes. It was screened out of competition at the 2004 Cannes Film Festival. Throughout the film a variety of footage featuring some of the films shown on the Z Channel is used. This serves to underline the diversity offered on the channel in particular its attempts to expose its American viewers to undubbed foreign language films.