2020 • 8 episodes
Episodes
Episode 1 • Oct 15, 2020
Members must complete 23 missions to escape cubes. First members to play are Jisung, Ten, Yuta, Renjun, Haechan, Taeil, Yangyang, Xiaojun, Winwin, Shotaro and Jeno.
Episode 2 • Oct 22, 2020
The remaining members must complete missions: Taeyong, Jungwoo, Jaehyun, Johnny, Hendery, Lucas, Chenle, Doyoung, Kun, Jaemin, Mark and Sungchan.
Episode 3 • Oct 29, 2020
All members compete in Field Day events in the "high school past", including soccer penalty shootout, arm wrestling and Chinese fan dance.
Episode 4 • Nov 05, 2020
All members continue to compete, including the finish of the Chinese fan dance, a vaulting horse and a relay race.
Episode 5 • Nov 12, 2020
Members divide into two teams in the "present" to compete in missions, like catching fish.
Episode 6 • Nov 19, 2020
Members wrap up the present missions and move through the portal to the "future" where they hunt for NCT-related clues to return to the present.
Episode 7 • Nov 26, 2020
Members continue to look for clues in the "future"
Episode 8 • Dec 03, 2020
Members compete to make meals for dinner and gather together.