Catch up TV on Coastwatch Oz. Watch the latest and all other episodes of Coastwatch Oz now online, broadcast on 7Two. Catch up on your favorite 7Two TV show: Coastwatch Oz. Replay tv on its best! Australia’s coastline is under threat like never before. As Police deal with organised crime and dramatic offshore rescues, Fisheries officers target black market poaching and illegal syndicates worth hundreds of thousands of dollars.