Special Investigation Nine — Season 4

Episodes

• E1 Gray Suspect2021-04-07—
• E2 Murder Designer2021-04-14—
• E3 Best Day2021-04-21—
• E4 Prayer2021-04-28—
• E5 Killing Blueprint2021-05-05—
• E6 Cursed Picture2021-05-12—
• E7 Murder Puzzle2021-05-19—
• E8 Hedgehog in a Locked Room2021-05-26—
• E9 Flying Suspect2021-06-02—
• E10 Episode 102021-06-09—
• E11 Episode 112021-06-16—
• E12 Episode 122021-06-23—
• E13 Episode 132021-06-30—