A police officer working a routine case is hit by a car and mortally wounded. He is saved by a professor that transfers his consciousness into a powerful cyborg crime-fighter. Resurrected as the ultimate high-tech vigilante, it is up to 8Man to bring the lawless to justice and put an end to the escalating cycle of violence.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Introducing Eightman | 1963-11-07 | 30 min |
| Season 1 | Episode 2 | Galen, the Hitman | 1963-11-14 | 30 min |
| Season 1 | Episode 3 | Satan's Brother | 1963-11-21 | 30 min |
| Season 1 | Episode 4 | Capital Punishment Stand B3 | 1963-11-28 | 30 min |
| Season 1 | Episode 5 | The Darkness Capsule | 1963-12-05 | 30 min |
| Season 1 | Episode 6 | The Gold Gang | 1963-12-12 | 30 min |
| Season 1 | Episode 7 | The Stealth Jetplane | 1963-12-19 | 30 min |
| Season 1 | Episode 8 | The Ultra Micro Missile | 1963-12-26 | 30 min |
| Season 1 | Episode 9 | The Lazer Ray Gun | 1964-01-02 | 30 min |
| Season 1 | Episode 10 | Robot 007 | 1964-01-09 | 30 min |
| Season 1 | Episode 11 | The Phantom Assassin | 1964-01-16 | 30 min |
| Season 1 | Episode 12 | The Undersea Uranium | 1964-01-23 | 30 min |
| Season 1 | Episode 13 | The Human Punch Card | 1964-01-30 | 30 min |
| Season 1 | Episode 14 | The Super Pilot | 1964-02-06 | 30 min |
| Season 1 | Episode 15 | The Black Ghost | 1964-02-13 | 30 min |
| Season 1 | Episode 16 | Goldbeetle, the Mysterious Thief | 1964-02-20 | 30 min |
| Season 1 | Episode 17 | The Ultrasonic Wave Doctor | 1964-02-27 | 30 min |
| Season 1 | Episode 18 | The Typhoon Baron | 1964-03-05 | 30 min |
| Season 1 | Episode 19 | Galen Strikes Again | 1964-03-12 | 30 min |
| Season 1 | Episode 20 | Spy Directive No. 100 | 1964-03-19 | 30 min |
| Season 1 | Episode 21 | The Robot Tiger | 1964-03-26 | 30 min |
| Season 1 | Episode 22 | Challenge to Zero | 1964-04-02 | 30 min |
| Season 1 | Episode 23 | Napoleon the 13th | 1964-04-09 | 30 min |
| Season 1 | Episode 24 | Operation: Salamander | 1964-04-16 | 30 min |
| Season 1 | Episode 25 | Cyber, the Superhuman | 1964-04-23 | 30 min |
| Season 1 | Episode 26 | Zero Hour: Earth | 1964-04-30 | 30 min |
| Season 1 | Episode 27 | Eeler, the Giant Monster | 1964-05-07 | 30 min |
| Season 1 | Episode 28 | Operation: Bacteria | 1964-05-14 | 30 min |
| Season 1 | Episode 29 | The Human Missile | 1964-05-21 | 30 min |
| Season 1 | Episode 30 | Cyborg No. C1 | 1964-05-28 | 30 min |
| Season 1 | Episode 31 | The Phantom Highway | 1964-06-04 | 30 min |
| Season 1 | Episode 32 | Thunder, the Solar Satellite | 1964-06-11 | 30 min |
| Season 1 | Episode 33 | Vulcan, the Artificial Lifeform | 1964-06-18 | 30 min |
| Season 1 | Episode 34 | The Duel | 1964-06-25 | 30 min |
| Season 1 | Episode 35 | The Freeze Ray | 1964-07-02 | 30 min |
| Season 1 | Episode 36 | Virus No. 13 | 1964-07-09 | 30 min |
| Season 1 | Episode 37 | The 7 Day Nightmare | 1964-07-16 | 30 min |
| Season 1 | Episode 38 | The Mysterious Ghost | 1964-07-23 | 30 min |
| Season 1 | Episode 39 | The Boy Who Made a Phantom | 1964-07-30 | 30 min |
| Season 1 | Episode 40 | Jupiter, the Invisible Robot | 1964-08-06 | 30 min |
| Season 1 | Episode 41 | Order: Assassinate Eightman | 1964-08-13 | 30 min |
| Season 1 | Episode 42 | The Queen Bee Monster | 1964-08-20 | 30 min |
| Season 1 | Episode 43 | Esper, the Witch | 1964-09-03 | 30 min |
| Season 1 | Episode 44 | The World Blitz Plan | 1964-09-10 | 30 min |
| Season 1 | Episode 45 | Tarantula, the Condemned Criminal | 1964-09-17 | 30 min |
| Season 1 | Episode 46 | The Flying Devil | 1964-10-01 | 30 min |
| Season 1 | Episode 47 | Operation: Bubble Ball | 1964-10-08 | 30 min |
| Season 1 | Episode 48 | SAW, the Martian | 1964-10-15 | 30 min |
| Season 1 | Episode 49 | 3 Billion Hostages | 1964-10-29 | 30 min |
| Season 1 | Episode 50 | Giant, the Mysterious Statue | 1964-11-05 | 30 min |
| Season 1 | Episode 51 | Target Earth | 1964-11-12 | 30 min |
| Season 1 | Episode 52 | The Man-Eating Piranha | 1964-11-19 | 30 min |
| Season 1 | Episode 53 | Moutard's Rebellion | 1964-12-03 | 30 min |
| Season 1 | Episode 54 | Law of the Shark | 1964-12-10 | 30 min |
| Season 1 | Episode 55 | Superhuman Mutant (Part One) | 1964-12-17 | 30 min |
| Season 1 | Episode 56 | Superhuman Mutant (Part Two) | 1964-12-24 | 30 min |
| Writing | Kazumasa Hirai | Comic Book |
| Directing | Kawashima Haruyuki | Director |
