TR

Season 1, Episode 2

Military Training Begins

March 31, 202370 min

After spheres from the sky drop to the ground, military training begins for the students to ensure their safety. However, the students find it too demanding and have a difficult time. As students head to the shooting range to learn how to shoot, they get caught off guard and fall into a crisis. Meanwhile, a student gets killed by one of the spheres.

Guest stars

All episodes — Season 1

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  1. S1 E1

    Question the Spheres

    Mar 31, 202373 min

    For a year, people learn to live with the spheres without suffering any specific changes. Even with the alien-looking spheres floating all over the sky, the CSAT is what matters the most to seniors of Sungjin High School. When the exam is j

  2. S1 E3

    School Escape

    Mar 31, 202375 min

    Two people from Class Two die. To prevent chaos, this news is not yet known throughout the entire school. After their deaths, students of Class Two get sick of all the hardcore training and try to escape school to go back to their homes. Ho

  3. S1 E4

    Become the Villain

    Mar 31, 202367 min

    The first vehicle gets attacked by a sphere and turned over. The soldier dies on the spot, and So-yeon gets badly injured. The students decide to leave the vehicle and find a shelter nearby. Soon, they find a construction site office where

  4. S1 E5

    Will We Ever Go Home?

    Mar 31, 202373 min

    Chun-ho tries to make sure that the kids all survive so they can return safely to the camp. The kids after having gone through a common struggle begin to bond with each other. They also begin to learn more things about being a soldier. But

  5. S1 E6

    Fight or Flight

    Mar 31, 202371 min

    After a heated encounter with the spheres, the group picked up some survivors. However, the heavily traumatized survivors have a hard time blending in and coping with the situation. Their outbursts and dire situation make the group rethink

  6. S1 E7

    Disagreement Among Classmates

    Apr 21, 202355 min

    Children in Class 3-2 who have become accustomed to both the sphere and death. I find laughter again, but I didn't know that a crack was forming in it. Along the way, he meets strangers who ask for help.