ตอนที่ 21: การโจมตีพระราชวังของ Sheer ล้มเหลว เมื่อ Alpha Gang ยึดครอง Holder กลับคืนมา และ D-Team ต่อสู้กลับ

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Sheer's attempt to take Zahrah is thwarted by Aladdin who stops Sheer. The D-Team and Zahrah managed to escape. In the Spectre's jet, Sheer has a conversation with Seth about the Cosmos Stone being detected nearby. The D-Team and Zara return to the Isisaurus's area. The Alpha Gang managed to make a risky attempt to reclaim the Alpha Holders which works. The D-Team and Zahrah return to the city on back of the Isisaurus, Genie. Ursula, Zander, and Ed are once again forced to attack the D-Team who activate Chomp, Ace, and Paris against Terry, Spiny, and Tank. During the ensuing fight, Sheer arrives and takes control of the Isisaurus and then armors it up. The Alpha Gang armors up their dinosaurs to attack the Isisaurus. Dr. Z and the sultan get free with help from Aladdin. With the Alpha Gang's dinosaurs defeated, Max and Rex armor up their dinosaurs and combine their attacks to defeat and rescue the Isisaurus as the Red Cosmos Stone drops into the hole that the Alpha Gang is in. Helga arrives to bring Dr. Z to the ship with the Red Cosmos Stone in position, but Sheer escapes and the bad guys are arrested. (Source: Wikipedia)