S1·E4 Adrift on the Endless Sea

Esteban and his friends barely cross through the terrible Straits of Magellan before their ship, the Esperanza, sinks in a storm. Tossed around on a small raft and attacked by sharks, they're left in the middle of the ocean, with no provisions. But a seagull overhead guides them towards the closest shores, and they finally reach a small island.