Six "agents of mystery" with excellent chemistry probe into bizarre incidents that cannot be explained by science in creative and unique ways.
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Lee Yong-jin
Self
John Park
Self
Lee Hye-ri
Self
Kim Do-hoon
Self
KARINA
Self
Gabee
Self
All 12 episodes plotted by IMDb rating
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6 episodes • 2024Avg: 7.5Valley of Despair
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Followers of the Evil One (1) | Jun 18, 2024 | 6.8 |
| 2 | The Followers of the Evil One (2) | Jun 18, 2024 | 6.0 |
| 3 | The Followers of the Evil One (3) | Jun 18, 2024 | 7.0 |
| 4 | The Deep Sea Mystery (1) | Jun 18, 2024 | 8.0 |
| 5 | The Deep Sea Mystery (2) | Jun 18, 2024 | 9.0 |
| 6 | The Deep Sea Mystery (3) | Jun 18, 2024 | 8.0 |
9 episodes • 2026Avg: 8.3Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Black Room (1) | Feb 27, 2026 | 9.0 |
| 2 | Black Room (2) | Feb 27, 2026 | 8.0 |
| 3 | Black Room (3) | Feb 27, 2026 | 8.0 |
| 4 | The Others (1) | Feb 27, 2026 | 0.0 |
| 5 | The Others (2) | Feb 27, 2026 | 8.0 |
| 6 | The Others (3) | Feb 27, 2026 | 7.0 |
| 7 | The Cursed Reservoir (1) | Feb 27, 2026 | 0.0 |
| 8 | The Cursed Reservoir (2) | Feb 27, 2026 | 0.0 |
| 9 | The Cursed Reservoir (3) | Feb 27, 2026 | 10.0 |
