IMDb6.7Menace Unseen·1988·1 seasons·3 episodes·MysteryAfter his business partner Robert Shriving is killed by an exploding computer, Duncan Free (Ian Ogilvy) sets out to uncover a network of powerful individuals who are using technology to collect personal data for their own ends.Mark as watchedEpisodesSeason 11Episode 1The First EpisodeMay 3, 1988May 3, 1988The First Episode2Episode 2No overview is available.May 4, 1988May 4, 1988No overview is available.3Episode 3No overview is available.May 5, 1988May 5, 1988No overview is available.