Primeval

When evolutionary zoologist Nick Cutter discovers prehistoric creatures alive and well in the present day the natural world is turned on its head and humanity faces a threat to its very existence.

Unexplained anomalies are ripping holes in the fabric of time, allowing creatures from the past, and the future, to roam the modern world. Cutter and his team struggle to keep the looming disaster secret while dealing with savage monsters, giant insects, prehistoric parasites dilemma - he discovers that his wife, Helen, missing believed dead for eight years, has actually been travelling in time; now she is back with possible answers to the riddle of the anomalies, but is it on answer she is willing to share?