Banggwa Hoo Jeonjaenghwaldong - Season 1 Episode 7

The students of Class Two continue to fight and kill the spheres. They have a vote again to decide whether they will stay here together or go back home, and the result shows that there's disagreement growing among them. The next day, a group of students go somewhere to find parts to fix their radio. There, they run into strangers who ask for help.