A children's mystery drama about four kid detectives solving various cases happening at school.
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Reach thousands of daily viewers · size 1200 x 200
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Kim Ji-min
Kang Ha Ra
Tang Joon-sang
Lee Seo Jin
Yoon Chan-young
Lee Woo Jin
Yoo Jun
Choi Dong Yeong
Park Si-eun
Jin Sun Mi
Heo Jung-min
Choi Gi Chan
Kim Myung-soo
Kang Suk
Uhm Hyun-kyung
Song Soo Ji
Choi Shang
Teacher Ma
Reach thousands of daily viewers · size 970 x 90
1958 · ★ 7.2
2013 · ★ 7.7
1957 · ★ 7.7
2022 · ★ 6.7
1984 · ★ 8.2
1977 · ★ 7.1
2013 · ★ 7.8
2017 · ★ 6.3
2026 · ★ 6.6
2020 · ★ 7.8
2020 · ★ 7.4
2021 · ★ 7.0
2025 · ★ 6.8
1989 · ★ 8.2
1975 · ★ 6.5
2022 · ★ 6.6
2004 · ★ 7.8
2020 · ★ 8.2
1973 · ★ 7.0
2020 · ★ 7.2
