第109話: Uranと遊んでいる最中、Atomが島で正体不明の卵を発見する

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Atom finds a big egg in a cave on a little island where he is playing with Uran. He asks Dr. Ochanomizu to identify the egg, but they are unsuccessful. So Atom goes back to the island, where he encounters a strange bird that lives there. (Source: Tezuka Productions)