

8.092 minSeason 1 • Episode 10
LatestAfter aborting the mission, the kids walk for days but get to nowhere. However, they reach an amusement park and have fun as if it is their last. Meanwhile, Yeong-soo is not comfortable about walking away from the mission as he still believes the CSAT is not canceled. The end of the war draws near, but the kids have a long way left to survival.
When mysterious alien spheres start invading the world, high school students are called upon to join the world's first war against extraterrestrial forces.
Acting
Kim Ki-hae's spiral from class clown to broken soldier
Direction
Ha Il-kwon's merciless pacing—no episode lets you breathe
Production
Practical creature suits hit different than CGI
Trivia, insights & behind the scenes
Based on Ha Il-kwon's 2012 webtoon that ran for 7 years—fans debated the ending for months.
The conscription subtext hits different in South Korea, where all men serve; the show weaponizes that national anxiety.