The WONDERfools Season 1 Episode 4
Boon the King Duck vs Wunderkinder
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