Seikimatsu Densetsu: Wonderful Tatsunoko Land (世紀末伝説 ワンダフルタツノコランド)

Synopsis

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)