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Episode 1
Six special forces units representing Korea gather in one place. A fierce, suspenseful battle begins! Which team will win the first competition to determine the strongest unit? 2021-03-23 | 81 minutes
machine translated
Show
The Iron Squad
강철부대
2021AiringSouth Korea
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What's it about?
A competition variety where representatives from all across Korea can challenge other army, navy, and air force units in the name of their respected troop! The “military survival program” features reservists from special forces units going head to head to determine the strongest special forces unit …
Where to stream?
KOCOWA+
Checked 08/22/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
Availability data partly provided by JustWatch via TMDB.
Cast
Kim Sung-joo
김성주
Host
64 episodes
Choi Young-jae
최영재
Host
64 episodes
Jang Dong-min
장동민
Host
35 episodes
Kim Hee-chul
김희철
Host
64 episodes
Kim Dong-hyun
김동현
Host
64 episodes
CHUU
츄
Host
34 episodes
Oh Jong-hyuk
오종혁
as themselves
19 episodes
Bak Goon
박군
as themselves
19 episodes
Yuk Jun-seo
육준서
as themselves
19 episodes
Ahn Tae-hwan
안태환
as themselves
19 episodes
ANYUJIN
안유진
Host
16 episodes
Go In-ho
고인호
as themselves
15 episodes
Yoon Doo-joon
윤두준
Host
15 episodes
Hong Beom-seok
홍범석
as themselves
15 episodes
Wil Ravelo
as themselves
15 episodes
15 people — scroll sideways
Crew
Director
Lee Won-woong
Writer
Kang Sook-kyung
Episodes
4 seasons · 64 episodes in total
Season 1 — 19 episodes · from 03/23/2021
Page 1 of 1 · Episodes 1–19
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Episode 2
The genius of strategy, the unrivaled presence of Special Forces soldier Park
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Episode 3
SSU, the strongest of the sea! The 707th Special Lease Team that provokes them
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Episode 4
The final death match depends on the first eliminated team!
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Episode 5
Quickly and calmly, anti-terrorist rescue mission!
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Episode 6
A counter-terrorist rescue operation that involves a death match, you can never lose!
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Episode 7
40kg mountain march, which team is eliminated in the death match?
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Episode 8
Navy Union vs. Night Coalition, night coalition operation that puts pride on the line
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Episode 9
Who will be the final winner of the night joint operation?! And... SDT & Marine Corps Search Team are back again!
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Episode 10
There is only one remaining ticket to the semifinals! Who will take over?
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Episode 11
Three units' desperate struggle for a ticket to the semifinals
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Episode 12
Seoul Recapture Operation, which unit will advance to the finals?
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Episode 13
707 vs SSU Semifinal Tournament! Who will win the final ticket to the finals?
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Episode 14
What will be the strongest unit that will take home the title of ‘Steel Unit’?
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Episode 15
The Steel Comrades Association is starting! The fierce battle of steel troops for supplies!
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Episode 16
Exploring the inner thoughts of the crew through Steel X-Files
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Steel Unit, an unfinished story!
Steel Unit, an unfinished story! Now I can talk! The first unstoppable revelation
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Now I can tell you the story behind it
Now I can talk! Accommodation stories told by members, mountain march with 40kg soldiers, Hand-to-hand combat, and octopus...? From the dark history you want to erase to famous scenes and famous lines of your choice. We brought it all, behind-the-scenes story!
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TOP 7 of the best battles of the Steel Unit
The Last Side Story of the Steel Unit, TOP 7 of the best battles of the Steel Unit
Image gallery
Posters (4)
Stills (2)
Images © their respective rights holders · Source: TMDB