Watch The WONDERfools Season 1 Episode 4 Online
“Boon the King Duck vs Wunderkinder” — Watch "The WONDERfools" Season 1 Episode 4 online in HD for free. Check streaming providers, cast, and episode details.
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Season 1 Episode 4 — Aired on May 15, 2026 • runs about 60 minutes.
Notable cast/guest names in this episode include Park Eun-bin, Cha Eun-woo, Choi Dae-hoon, Im Sung-jae.
This page includes 1 official still(s) (when available) plus legal availability links.
Looking for “watch The WONDERfools Season 1 Episode 4 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
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.
Stills
Cast
as Eun Chae-ni
as Lee Un-jeong
as Son Gyeong-hun
as Kang Ro-bin
as Kim Jeon-bok
as Ha Won-do
as Kim Pal-ho
as Seok Ju-ran
as Seok Ho-ran
Episodes – Season 1
Trailer / clip
There�s no trailer available for this series right now.
