Early Cretaceous, China, 125 million years ago This is a rescue mission just before the site area's dinosaurs were wiped out by a volcano. It is aimed at getting specimens of Microraptor, which is threatened by volcanoes and with being out-competed by the coming birds. In the park, there are now more than 24 animals. The two juvenile Tyrannosaurus often threaten each other. There is a heat wave and Martha the mammoth with her small ears and long hair and blubber is affected by the heat, as she had been brought from an Ice Age winter. Nigel and four other people go on foot through the time portal to the site...