
About this season
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."
Episodes (26)

1. Darkness
Aired 2 April 1999 • 30 min
Keita Aono goes to school one day, and his class happens to have a new student. That student is a girl named Hinoki Sai, Keita's childhood friend. Later, Keita gets himself lost in an amusement park where many people have mysteriously died. Keita catches up with Hinoki, and the two are attacked by a large monster. Who will save them? The being known as Betterman.

2. Voice
Aired 9 April 1999 • 30 min
Keita learns more about the Akamatsu Corporation and the mysterious figure Betterman.

3. Sky
Aired 16 April 1999 • 30 min
Keita, Hinoki, and Asami fly overseas, but everyone else on the plane mysteriously disappear. Keita and the gang get attacked by possessed crash test dummies.

4. Awaken
Aired 23 April 1999 • 30 min

5. Hell
Aired 30 April 1999 • 30 min

6. Echo
Aired 7 May 1999 • 30 min

7. Forte
Aired 14 May 1999 • 30 min

8. Poison
Aired 21 May 1999 • 30 min

9. Aqua
Aired 28 May 1999 • 30 min

10. Worms
Aired 11 June 1999 • 30 min

11. Nebula
Aired 18 June 1999 • 30 min

12. Dragon
Aired 25 June 1999 • 30 min

13. Nectar
Aired 2 July 1999 • 30 min

14. Soul
Aired 9 July 1999 • 30 min

15. Shadow
Aired 16 July 1999 • 30 min

16. Revelation
Aired 23 July 1999 • 30 min

17. Dream
Aired 30 July 1999 • 30 min

18. Hunger
Aired 6 August 1999 • 30 min

19. Mirror
Aired 13 August 1999 • 30 min

20. Trap
Aired 20 August 1999 • 30 min

21. Death
Aired 27 August 1999 • 30 min

22. Life
Aired 3 September 1999 • 30 min

23. Offering
Aired 10 September 1999 • 30 min

24. Departure
Aired 17 September 1999 • 30 min

25. Memory
Aired 24 September 1999 • 30 min

26. Nothingness
Aired 1 October 1999 • 30 min
KEITA AND HINOKI BATTLE TO THE BITTER END.