Primeval (2007–2011)

Primeval follows a team of scientists and government agents who investigate temporal anomalies that allow prehistoric and futuristic creatures to enter the present day. The series blends science fiction, adventure, and procedural elements, exploring the scientific, ethical, and logistical challenges of containing dangerous creatures. Its narrative emphasizes teamwork, crisis management, and the evolving understanding of time and its consequences.

Från IMDB:
When strange anomalies start to appear all over England, Professor Cutter and his team must track down and capture all sorts of dangerous prehistoric creatures from Earth's distant past and near future.