David McCallum, Craig Stevens. The government decides to use the talents of a scientist who has accidentally rendered himself invisible to travel the globe as a secret agent. His "now you see him" state only takes form when he wears a special mask on his face and clothing, including gloves and a hat. Includes 12 episodes plus the pilot on 4 DVDs or 3 Blu-ray Discs. 1975–76/color/7 hrs/NR/fullscreen.