The WONDERfools – S01E04 – Boon the King Duck vs Wunderkinder

The WONDERfools Season 1 Episode 4 – Watch online

« Boon the King Duck vs Wunderkinder »

S01E04
9.8
May 15, 2026
1 h 00 min
Netflix

Episode summary

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.

The legal platforms listed offer the series in the United States; the version (dubbed or subtitled) depends on each service.

Where to stream The WONDERfools (S01E04)

Subscription

Netflix

Netflix Standard with Ads

Availability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.

About this episode

“Boon the King Duck vs Wunderkinder” is episode 4 of 8 in season 1 of The WONDERfools. It first aired on May 15, 2026 on Netflix. It runs 1 h 00 min. Guest starring Cha Seo-won, Kim Ki-cheon, Kang Ki-doong and Seo Woo-jin. It is rated 9.8/10 by TMDB users, against a season average of 8.8/10.

Frequently asked questions

Where to watch The WONDERfools Season 1 Episode 4 online?

In the United States, The WONDERfools is available with a subscription on Netflix and Netflix Standard with Ads (source: JustWatch via TMDB, offers subject to change). The version (dubbed or subtitled) depends on the service.