第 4 集: Letty 前往 Diaria 的極地，面臨嚴苛的生存挑戰，並在鯨魚體內遇見 Davy Jones。

To fulfill Letty's wish of living in an isolated spot, Diaria leads him to an arctic region. However, not only does surviving the harsh conditions prove difficult for the young dragon, he is also sent adrift on an ice floe, where he finds an egg, and swallowed by a whale. Inside the whale, he meets Davy Jones, who is living quite comfortably in the beast's belly. Determined to return the egg to its parents, Letty is helped out of the whale by Jones, but just as he meets up with Diaria, the egg hatches, and the chick inside it promptly imprints itself on him. (Source: Wikipedia)

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