His master plan involves creating a prehistoric zoo in San Diego. The trouble begins when Peter's zoological army descends from a fleet of helicopters and sets about capturing specimens. Yes, it can be seen as a fiendish millennial fantasy of our prehistoric past catching up with us. But it also doesn't pretend to be much more than a messy, full-blooded adventure yarn with cardboard characters and a story that doesn't track. It winkingly acknowledges as much in a throwaway moment when the escaped Tyrannosaurus rex is shown rampaging through a video store.
Young children are likely to be terrified.