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.
But if we run a long cable, 
it should work as a phone.
.لكن ينبغي أن يعمل كهاتف إن استخدمنا سلكًا طويلًا
Aber wenn wir so ein Kabel aufspannen,
kann zumindest der Anruf durchkommen.
mais il peut servir de téléphone lambda
si on déploie les fils.
ma se allunghiamo il cavo a sufficienza,
Mas se fizermos um cabo bem longo, 
deve funcionar como um telefone.