SeriesCurtain Call
The First Man – S01E21 – Episode 210:00 / 29:18Where to watch
The First Man – S01E21 – Episode 21
To watch it legally in the United States:
OnDemandKorea
KocowaAvailability from JustWatch via TMDB — details and links.
The version (dubbed or subtitled) depends on the platform.
The First Man Season 1 Episode 21 – Watch online
« Episode 21 »
Episode summary
When a visitor triggers her mother's traumatic memory, Jang Mi's dream opportunity turns into a nightmare.
The legal platforms listed offer the series in the United States; the version (dubbed or subtitled) depends on each service.
Where to stream The First Man (S01E21)
SubscriptionOnDemandKoreaKocowa
OnDemandKoreaKocowaAvailability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
About this episode
This is episode 21 of 140 in season 1 of The First Man. It first aired on January 12, 2026 on MBC. It runs 29 min.
Frequently asked questions
Where to watch The First Man Season 1 Episode 21 online?
In the United States, The First Man is available with a subscription on OnDemandKorea and Kocowa (source: JustWatch via TMDB, offers subject to change). The version (dubbed or subtitled) depends on the service.
When did The First Man Season 1 Episode 21 come out?
It aired on January 12, 2026 on MBC.
How long is this episode?
Episode S01E21 runs 29 min.
What is the next episode?
The next episode is S01E22 « Episode 22 », aired on January 13, 2026.
Series cast
Ham Eun-jungOh Jang-mi / Ma Seo-rin · 140 ep.
Oh Hyun-kyungChae Hwa-young · 140 ep.
Yoon Sun-wooKang Baek-ho · 140 ep.
Park Geon-ilKang Jun-ho · 140 ep.
Kim Min-seolJin Hong-ju · 140 ep.
Jeong So-yeongJung Suk-hui · 140 ep.
Kim Hak-sunO Bok-gil · 140 ep.
Lee Hyo-jeongMa Dae-chang · 140 ep.
Lee Ki-changO Tae-pyeong · 140 ep.
Lee Jae-hwangLee Gang-hyeok · 140 ep.
Jung ChanKang Nam-bong · 140 ep.
Kim Sun-hyeYeom San-wol · 140 ep.
