Seikimatsu Densetsu: Wonderful Tatsunoko Land

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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The excessive adventure begins when a mysterious flying life-form, UBO came to "Tatsunoko Anime World Island" where all the Tatsunoko animation characters live. TV special animation program featuring all-star Tatsunoko characters.

(Source: Official Website)