Montana, USA- 65,5 million years B.C. In the last days of the dinosaurs' hegemony over the world, a female Tyrannosaurus struggles to reproduce in a world poisoned by volcanic gases, which has resulted in dwindling prey numbers.
Did You Know?
The program shows two Torosaurus bulls engaging in combat by interlocking their horns, much like modern-day deer do with their antlers. Recent studies however indicate these animals couldn't have fought this way, since their horns were too fragile. Indeed, the fight does end with one of the Torosaurus' horns breaking off, yet confrontations like this most likely didn't take place in real life. See more
The Dromaeosaurus shouldn't appear in this episode, as it was already extinct by the time it takes places. Although the animal in the series was never referred to by a proper name (it was perhaps meant to represent a "generic" dromaeosaur), the website later indeed identified it as a Dromaeosaurus. See more
There are still islands of greenery between the barren lava flows. In the warm moist climate of the late Cretaceous period, the vegetation has transformed.