Season 1, Episode 4

The Ten-Year-Old Genius

Air Date: 2021-11-18

Overview: Seung Yoo and Ye Rin prepare in earnest for the Math Olympics. Jung Ah and Min Jun teach Ye Rin the means to win, and Yoon Su finds out about the corruption in the competition. However, Yoon Su goes to Jeju Island with Seung Yoo to help him with the contest. On the same day, Ye Rin arrives at Jeju Island for internship activities for the competition.

Runtime: 68 minutes

Cast

Lim Soo-jung

Lee Do-hyun

Jin Kyung

Woo Da-vi

Jang Hyun-sung

Byeon Jung-su

Choi Dae-hoon

Baek Ji-won

Kim Ho-jin

Jeon Guk-hyang

Oh Hye-won

Lee Kang-ji

Kim Ji-young

Oh Kwang-rok

Han Gi-joong

Choi Seung-hoon

Jang Kwang

Son Jin-hwan

Jeon Jin-gi

Yang Jo-a

Ahn Sang-woo

Choi Woo-sung

Lee Young-eun