Senku and the kingdom learns of a mysterious disc left behind by his father and the other astronauts. They use their newfound technology to bring it to life.
You kept quiet about that 
on purpose, didn't you?
أخفيت الأمر عمدًا، صحيح؟
Das hast du doch bewusst verschwiegen.
Te lo callaste a propósito, ¿verdad?
Te lo callaste a propósito, ¿verdad?
T’as fait exprès de rien dire,
je parie.
Dillo, hai fatto apposta a non dircelo, eh?
Você ficou quieto de propósito, não é?
Подозреваю, ты нарочно их не предупредил.