Dinosaur Squadron Koseidon Set in the future where time travel is made possible through the discovery of Tachyon, a particle that moves faster that light, humanity can freely go back and forth between the Mesozoic, Cretaceous and the present, making colonies on Cretaceous earth. The Time Dimension Control Bureau boasts a special team, the Time G Men · Koseidon Corps, driving the huge time machine Koseidon. They protect the safety of Cretaceous and time travel. In 2001, Japan was attacked by heat