Season 1
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| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | The Beginning of the Attempted Murder Case | Jul 17, 2019 |
| 2 |  | Gi Mu Hyeok Returns As a Teacher | Jul 18, 2019 |
| 3 |  | Byung Ho Gets Bullied | Jul 24, 2019 |
| 4 |  | The Chauffeur | Jul 25, 2019 |
| 5 |  | The Secret Sysop | Jul 31, 2019 |
| 6 |  | Ye Ri's Trap | Aug 1, 2019 |
| 7 |  | Tae Ra's Recital | Aug 7, 2019 |
| 8 |  | Class Two's New Homeroom Teacher | Aug 8, 2019 |
| 9 |  | Spy App | Aug 14, 2019 |
| 10 |  | Tae Seok's Death | Aug 15, 2019 |
| 11 |  | Restoring Beom Jin’s Phone | Aug 21, 2019 |
| 12 |  | Han Su Wakes up from a Coma | Aug 22, 2019 |
| 13 |  | Han Su's False Testimony | Aug 28, 2019 |
| 14 |  | Su Ah's Mail | Aug 29, 2019 |
| 15 |  | The Big Blow | Sep 4, 2019 |
| 16 |  | Beom Jin Stands as a Witness | Sep 5, 2019 |