This series was Spinosail's first. He originally came up with the idea after watching a video of the now retired Zoo Tycoon movie maker, EIRyao. Inspired, Spinosail installed Fraps, and began to build his own park. Once construction was complete, he downloaded several maps from the website Zoo Tycoon Volcano. To start out, he went back to the Late Jurassic, in hopes of saving the titanic sauropod, Brachiosaurus. Next, he goes back to South America to rescue the Smilodon. Spinosail also commented that: "I know that Prehistoric Park did this, but I felt it necessary to bring back a species the show had." After his Sabre-Tooth safari, he goes back to the Cretaceous to rescue a Therizinosaurus. However, he must take a fishing boat to get there. Spinosail stopped Prehistoric Park after part one