Tập 1: Rex và Alpha Gang trở về hiện tại để đối đầu với Hải tặc Không gian Spectral, trong khi Max và Dr. Z giao tranh ở kỷ Phấn Trắng.

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Rex and the reformed Alpha Gang have returned to the present when the threat of the Spectral Space Pirates is known. When Max's house disappears, Spike and the others are attacked by Gavro of the Spectral Space Pirates and his Torvosaurus. When the others travel through time to look for them, Max and Dr. Z get into a Dino Battle in the Cretaceous Period, when the meteor was about to hit the Earth. Afterwards, the D-Team and the Alpha Gang soon follow a Pterosaur, which Max recognizes as the same voice that had told them to help save the dinosaurs. (Source: Wikipedia)