今週の乃木坂工事中は３年ぶり開催の「第４回頭ＮＯ王」後半戦！
▼初挑戦となる５期生を含めた全メンバーの一斉学力チェック！
▼あのメンバーのまさかの不正疑惑が発覚！？ ▼さらに今回から常識問題も追加でど天然メンバーをあぶり出す！
▼果たして第４回頭ＮＯ王になったのは誰だ！？
Time for the latter half of the 4th NOwledgeble Championship, the first in three years!
Let's check the academic ability of all the members, including the 5th gen first-timers!
A member gets caught cheating?!
Common sense questions have been added this time! Airheads are revealed one after another!
Who will be crowned the new NOwledgeble Champion?!
