The Perseus crew are on their way to the treasure island, the birthplace of the Hundred Tales, where they hope to locate the treasure box left behind by the Soyuz crew.
Some of them obviously would have 
stayed behind on the island.
.بالطبع سيبقى بعضهم في الجزيرة
Ist also logisch, dass manche
auf der Insel geblieben sind.
Algunos se quedarían en la isla.
Algunos se quedarían en la isla.
Certains ont naturellement dû
rester sur l’île.
Naturalmente qualcuno dev'essere rimasto sull'isola.
Alguns deles devem ter 
ficado para trás na ilha.
Конечно же, кто-то остался на острове.