Hangyodon no Parallel Daisakusen: Kyouryuu Oukoku wa Oosawagi
ハンギョドンのパラレル大作戦 恐竜王国は大さわぎHangyodon no Parallel Daisakusen: Kyouryuu Oukoku wa Oosawagi
The story
OVAHangyodon and co. end up getting sent back to the past through a time machine and learn about dinosaurs.
Episodes
Choose your next chapterMore in this world
Related anime
Hangyodon in the Emperor's New Clothes
OVA · 1993