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The First Man – S01E121 – Episode 1210:00 / 29:31

The First Man Season 1 Episode 121 – Watch online

« Episode 121 »

  • S01E121
  • June 5, 2026
  • 29 min
  • MBC

Episode summary

Chairman Ma remains suspicious of Hwa Young as Baek Ho uncovers troubling clues tied to a family fire.

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 (S01E121)

Subscription
OnDemandKoreaKocowa

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

About this episode

This is episode 121 of 140 in season 1 of The First Man. It first aired on June 5, 2026 on MBC. It runs 29 min.

Frequently asked questions

Where to watch The First Man Season 1 Episode 121 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 121 come out?

It aired on June 5, 2026 on MBC.

How long is this episode?

Episode S01E121 runs 29 min.

What is the next episode?

The next episode is S01E122 « Episode 122 », aired on June 8, 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.

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