Hangyodon no Parallel Daisakusen: Kyouryuu Oukoku wa Oosawagi
Genres: Sci-Fi
Type: OVA, Episodes: 1
Aired: Sep 21, 1992
Source: Unknown
Rating: PG - Children
Synopsis:
Hangyodon and co. end up getting sent back to the past through a time machine and learn about dinosaurs.