Season 1

01 Episode 1 Episode 123rd March 2021 02 Episode 2 Episode 230th March 2021 The genius of strategy, the unrivaled presence of Special Forces soldier Park 03 Episode 3 Episode 36th April 2021 SSU, the strongest of the sea! The 707th Special Lease Team that provokes them 04 Episode 4 Episode 413th April 2021 The final death match depends on the first eliminated team! 05 Episode 5 Episode 520th April 2021 Quickly and calmly, anti-terrorist rescue mission! 06 Episode 6 Episode 627th April 2021 A counter-terrorist rescue operation that involves a death match, you can never lose! 07 Episode 7 Episode 74th May 2021 40kg mountain march, which team is eliminated in the death match? 08 Episode 8 Episode 811th May 2021 Navy Union vs. Night Coalition, night coalition operation that puts pride on the line 09 Episode 9 Episode 918th May 2021 Who will be the final winner of the night joint operation?! And... SDT & Marine Corps Search Team are back again! 10 Episode 10 Episode 1025th May 2021 There is only one remaining ticket to the semifinals! Who will take over? 11 Episode 11 Episode 111st June 2021 Three units' desperate struggle for a ticket to the semifinals 12 Episode 12 Episode 128th June 2021 Seoul Recapture Operation, which unit will advance to the finals? 13 Episode 13 Episode 1315th June 2021 707 vs SSU Semifinal Tournament! Who will win the final ticket to the finals? 14 Episode 14 Episode 1422nd June 2021 What will be the strongest unit that will take home the title of ‘Steel Unit’? 15 Episode 15 Episode 1529th June 2021 The Steel Comrades Association is starting! The fierce battle of steel troops for supplies! 16 Episode 16 Episode 166th July 2021 Exploring the inner thoughts of the crew through Steel X-Files 17 Steel Unit, an unfinished story! Episode 1713th July 2021 Steel Unit, an unfinished story! Now I can talk! The first unstoppable revelation 18 Now I can tell you the story behind it Episode 1820th July 2021 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! 19 TOP 7 of the best battles of the Steel Unit Episode 1927th July 2021 The Last Side Story of the Steel Unit, TOP 7 of the best battles of the Steel Unit