DinoZone
English name: DinoZaurs
Genres: Adventure, Sci-Fi
Type: OVA, Episodes: 5
Aired: Nov 27, 1998 to Jan 2000
Studio: Sunrise
Source: Unknown
Rating: G - All Ages
Synopsis:
It is explained in the story that it has been 1,000,000 years since the Dino Knights had last defeated the Dragozaurs. The Dragozaurs have returned, a boy named Kaito has reawakened them. The battle between the Dino Knights and the Dragozaurs begins once again as the Dino Knights prevent the Dragozaurs from stealing Earth's life force.

(Source: Wikipedia)