Boon the King Duck vs Wunderkinder
S1 E4 May 15, 2026 1h 0m
★ 9.8
Source:
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Overview
Dr. Ha Won-do returns after 20 years, chasing secrets of the Child of Eternity. Later, the gang faces an attack — still unsure of their powers.
Guest Stars
Cha Seo-won
Koo Jun-mo
Kim Ki-cheon
Ko Sang-mu
Kang Ki-doong
Yang Seok-woo
Seo Woo-jin
Child of Eternity
Jeong Young-joo
Madame Aurora
Kwon Oh-soo
Elder Choi
Han Ji-an
Lee Un-jeong (young)
Shin Tae-yang
Kim Pal-ho (young)
