OVA
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1 episode
Hangyodon no Parallel Daisakusen: Kyouryuu Oukoku wa Oosawagi
Hangyodon's Parallel Strategy: Panic at the Dinosaur Kingdom · ハンギョドンのパラレル大作戦 恐竜王国は大さわぎ
Sinopsis
Hangyodon and co. end up getting sent back to the past through a time machine and learn about dinosaurs.
Trailer
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