Kodai Ouja Kyouryuu King: Yokuryuu Densetsu  

Dinosaur King D-Kids Adventure: Pterosaur Legend, Kodai Oja Kyoryu King: Yokuryu Densetsu, Dinosaur King D-Kids, 古代王者恐竜キング Dキッズ・アドベンチャー翼龍伝説

The sequel series to Kodai Oja Kyoryu King features a reunion between the Alpha Gang and Ancients. However, while their parents are engaged in conversation, they are abducted by Gunenco, who is part of the Zanjark Space Aliens. This prompts the Alpha Gang and D-Team to team up against the Zanjarks as they attempt to acquire the Cosmos Stones. Later on, Seth reappears as an ally to the Zanjarks. Jark, leader of the Zanjarks, provides the dinosaur cards.