Primeval. Complete series one

"An evolutionary zoologist discovers prehistoric creatures alive and well in the present day. Unexplained anomalies are ripping holes in the fabric of time, allowing dinosaurs to escape the past and roam the modern world."@en
"An evolutionary zoologist discovers prehistoric creatures alive and well in the present day. Unexplained anomalies are ripping holes in the fabric of time, allowing dinosaurs to escape the past and roam the modern world."
"When revolutionary 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 through the modern world. Professor Cutter and his team struggle to find the answers behind the phenomenon in addition to ensuring the safety of London, all while dealing with savage dinosaurs, giant insects, prehistoric parasites and other unheard of species from the wildest shores of evolution."
"Evolutionary zoologist Nick Cutter and his team investigate creatures from the past and future who have arrived on present-day Earth through mysteriously appearing time portals; complete seasons one and two in thirteen episodes."@en