Hangyodon no Parallel Daisakusen: Kyouryuu Oukoku wa Oosawagi
English title: Hangyodon's Parallel Strategy: Panic at the Dinosaur Kingdom
Japanese title: ハンギョドンのパラレル大作戦 恐竜王国は大さわぎ
Type: OVA
Episodes: 1
Source: Unknown
Genres: Sci-Fi
Producers: Sanrio
Duration: 23 min
Rating: PG - Children

Hangyodon and co. end up getting sent back to the past through a time machine and learn about dinosaurs.