
Episodes

1. City of Mirage
5 Oct 2025 · 24 min
Minami Kyoya aspires to join SI-VIS, a music group. But he gets caught up in a mysterious force, Mirage.

2. A Thoroughly Eaten Star
12 Oct 2025 · 24 min
Yosuke dies in the battle with the Mirage, and Kyoya is devastated. Soji tells him to go back to his hometown.

3. Welcome to Hellish Paradise
19 Oct 2025 · 24 min
Kyoya struggles to reach the other members’ level. When his debut stage is about to start, the Mirage appears.

4. New Team with a Rocky Road Ahead
26 Oct 2025 · 24 min
Despite everything, Kyoya leads a fulfilling school life. One day, Rui approaches Kyoya with a desperate plea.

5. The Day When Five Become One
2 Nov 2025 · 24 min
SI-VIS’s camp starts off awkward, but eventually, they start to open up. Then, Siren gives them a challenge.

6. Holding This Song and Courage in My Heart
9 Nov 2025 · 24 min
SI-VIS plans to counter the Mirage of unprecedented scale with the new album release concert.

7. Irrational Encounter
16 Nov 2025 · 24 min
Kyoya invites Nagi to the school festival while on a date. Then, we learn about June’s little brother.

8. Light and Darkness After the Festival
23 Nov 2025 · 24 min
Kyoya, μ, and Soji compete for points at the festival. Moved by June's voice, Krios questions his actions.

9. I Want to See Your Gentle Smile Again
30 Nov 2025 · 24 min
The Mirage has appeared in Saegusa Academy! But learning the identity of XENOS, June is consumed with hatred.

10. The Sixth SI-VIS
7 Dec 2025 · 24 min
Rui begins to train Nagi, but Kyoya is upset to learn that Nagi is slated to be a new SI-VIS member.

11. A Diva and a Knight
14 Dec 2025 · 24 min
SI-VIS goes to vacation on an island owned by Seina. There, Kyoya discovers texts that reminds him of Yosuke.

12. The Last Remaining Despair
21 Dec 2025 · 24 min
The Mirage appears in Kyoya's hometown, and Lukos' attack drives SI-VIS into a corner.

13. Dejection and Determination
4 Jan 2026 · 24 min
SI-VIS starts to train during Siren’s absence. Meanwhile, a mysterious figures watch over from afar.

14. Come Back to Life, My Friend
11 Jan 2026 · 24 min
Soji visits Kyoya in his hometown to bring him back. Meanwhile, Krios is fueled to avenge Lukos.

15. Because I Am SI-VIS
18 Jan 2026 · 24 min
The Mirage suddenly appears in Tokyo. Without Kyoya and Soji, SI-VIS counterattacks with a guerrilla concert.

16. Welcome to Labyrinth
25 Jan 2026 · 24 min
Kyoya tries to help Siren, and Nagi trains hard to step up. Then, a shocking secret is revealed in Harmonia.

17. Wishes and Songs Will Be Heard
1 Feb 2026 · 24 min
Nagi and μ are trapped in a mysterious labyrinth. Separated SI-VIS members fight hard for each other.

18. Bring Despair to the Earth, and…
8 Feb 2026 · 24 min
The most formidable enemy of all, Apollo, and SI-VIS commence the battle that will determine their fate.

19. Accelerating Collapse
15 Feb 2026 · 24 min
In the chaos, SI-VIS tries to regroup. Meanwhile, a major change is happening within XENOS.

20. Future After Revenge
22 Feb 2026 · 24 min
SI-VIS prepares to leave the Earth to take Nagi back. Meanwhile, Nagi learns about the diva.

21. Strongest Because of Imperfection
1 Mar 2026 · 24 min
Samael challenges SI-VIS to a battle over Nagi and the multiple Mirages on the earth.

22. A Diva in the Cage
15 Mar 2026 · 24 min
Apollo launches the final attack on the Earth using Nagi. Kyoya stands up to save her.

23. Triumphant Return of a Super Star
22 Mar 2026 · 24 min
SI-VIS faces Kokytos in the Mirage. With Siren back, the best performance in the history of SI-VIS begins!

24. Grand Finale of the Beginning
29 Mar 2026 · 24 min
The live concert that determines the fate of Earth will proceed to its encore.
SI-VIS: The Sound of Heroes Season 1: quick answers
How many episodes are in SI-VIS: The Sound of Heroes Season 1?
Season 1 of SI-VIS: The Sound of Heroes has 24 episodes, about 10 hours in total.
When did SI-VIS: The Sound of Heroes Season 1 come out?
Season 1 premiered on 5 Oct 2025.