A deadly virus known as "Algernon" has attacked humanity. At the forefront of the battle is the mysterious Akamatsu Industries, this undercover organization uses enhanced weapons known as NeuroNoids to battle Algernon. Also helping with their secret efforts is the mysterious mutant who is known as "Betterman."
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Darkness | 1999-04-02 | 30 min |
| Season 1 | Episode 2 | Voice | 1999-04-09 | 30 min |
| Season 1 | Episode 3 | Sky | 1999-04-16 | 30 min |
| Season 1 | Episode 4 | Awaken | 1999-04-23 | 30 min |
| Season 1 | Episode 5 | Hell | 1999-04-30 | 30 min |
| Season 1 | Episode 6 | Echo | 1999-05-07 | 30 min |
| Season 1 | Episode 7 | Forte | 1999-05-14 | 30 min |
| Season 1 | Episode 8 | Poison | 1999-05-21 | 30 min |
| Season 1 | Episode 9 | Aqua | 1999-05-28 | 30 min |
| Season 1 | Episode 10 | Worms | 1999-06-11 | 30 min |
| Season 1 | Episode 11 | Nebula | 1999-06-18 | 30 min |
| Season 1 | Episode 12 | Dragon | 1999-06-25 | 30 min |
| Season 1 | Episode 13 | Nectar | 1999-07-02 | 30 min |
| Season 1 | Episode 14 | Soul | 1999-07-09 | 30 min |
| Season 1 | Episode 15 | Shadow | 1999-07-16 | 30 min |
| Season 1 | Episode 16 | Revelation | 1999-07-23 | 30 min |
| Season 1 | Episode 17 | Dream | 1999-07-30 | 30 min |
| Season 1 | Episode 18 | Hunger | 1999-08-06 | 30 min |
| Season 1 | Episode 19 | Mirror | 1999-08-13 | 30 min |
| Season 1 | Episode 20 | Trap | 1999-08-20 | 30 min |
| Season 1 | Episode 21 | Death | 1999-08-27 | 30 min |
| Season 1 | Episode 22 | Life | 1999-09-03 | 30 min |
| Season 1 | Episode 23 | Offering | 1999-09-10 | 30 min |
| Season 1 | Episode 24 | Departure | 1999-09-17 | 30 min |
| Season 1 | Episode 25 | Memory | 1999-09-24 | 30 min |
| Season 1 | Episode 26 | Nothingness | 1999-10-01 | 30 min |
| Production | Ken Iyadomi | Producer |
| Visual Effects | Takayuki Takeya | Creature Design |
| Directing | Yoshitomo Yonetani | Director |
| Writing | Yoshitomo Yonetani | Original Story |
