Episode guide

S1·E3 Episode 3

Name: Episode 3
Released: 2026-07-17
Duration: 49 min
Cast: Hong Su-zu, Chae Yeon-hee, Choi So-yul, Seo Eun-sol, Park Soo-yeon

Episode: Season 1, Episode 3
Air Date: July 17, 2026
Runtime: 49 minutes
Score: 7.9/10 (9 TMDB votes)
Story Type: Core Character Arc

Core Aired July 17, 2026 49 min ★ 7.9/10 · 9 TMDB votes

Synopsis

The king orders Gu-cheon to save the prince — or die. Forced to enter the spirit realm, he comes face-to-face with the ghost of a former royal guard.

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Guest stars

Hong Su-zuMost Favoured Lady

Chae Yeon-heeCourt Lady

Choi So-yulSaeng-gang (child)

Seo Eun-solCourt Lady

Park Soo-yeonQueen

Choi Ye-chanGu-cheon (child)

Choi Hyuk-jooLady Jang

Noh I-jinRoyal Concubine Han

Hwang Young-heeRoyal Noble Consort Choi

Hong Seo-junChief Eunuch Kim

Choi Jae-rimRoyal Guard

Kim Ji-yulJi-yul

Kim See-eunGu-cheon's Mother

Jo DanPrince Yeong-an

Frequently Asked Questions

When did Season 1 Episode 3 of The East Palace air?

Season 1, Episode 3 ('Episode 3') originally aired on July 17, 2026.

How long is Season 1 Episode 3 ('Episode 3')?

The runtime for this episode is approximately 49 minutes.

What happens in The East Palace Season 1 Episode 3?

The king orders Gu-cheon to save the prince — or die. Forced to enter the spirit realm, he comes face-to-face with the ghost of a former royal guard....

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