Series synopsis
The Regression of Great Sage Riddle, also known as 大賢者リドルの時間逆行 is a Japanese animation action & adventure television series that premiered on tvk on April 1, 2026. It ended on June 17, 2026. It stars Junya Enoki and Azusa Tadokoro.
Reclaim everything you lost—in your second run through the world. The mysterious group “Box of Malice” has taken everything from the young man Ryddel—his companions, his world, his future. Standing at the edge of despair, he grasps one final idea: What if I could return to the time before everything was destroyed? Having survived a thousand years and transformed into an inhuman being, Ryddel finally succeeds in reversing time. “This time… I will stop it all!” Carrying a millennium of knowledge a ...
Premise
Reclaim everything you lost—in your second run through the world. The mysterious group “Box of Malice” has taken everything from the young man Ryddel—his companions, his world, his future. Standing at the edge of despair, he grasps one final idea: What if I could return to the time before everything was destroyed? Having survived a thousand years and transformed into an inhuman being, Ryddel finally succeeds in reversing time. “This time… I will stop it all!” Carrying a millennium of knowledge and experience back into his youthful body, the great sage Ryddel begins his journey of time reversal!
Cast and characters
Leading cast
- Junya Enoki as Riddle (voice)
- Azusa Tadokoro as Norn (voice)
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | April 1, 2026 | June 17, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 | The Day the World Shattered | April 1, 2026 |
| 2 | Back to the Past, The First Adventure | April 8, 2026 |
| 3 | The Apprentice With a Thousand Years of Experience | April 15, 2026 |
Production
Release
| Original network/platform | tvk |
|---|---|
| First aired | April 1, 2026 |
| Last aired | June 17, 2026 |
| Status | ended |