S1·E42 Chocola and Piere’s adventure

Chocolat and the whole class are invited by Vanilla to a magic ocean. Chocolat gets trapped in Forgotten Cave with Pierre after he rescues her. Pierre then becomes confused over his feelings for Chocolat. Is it love? Will Chocolat fall back in love with Pierre now that he isn't cold? Will they escape? They enter a space of memories and discover that there were friends when they were little.