Primeval — Episode 7: Concrete Menagerie

You are watching the episode Concrete Menagerie While Stephen deals with a Silurian Scorpion attacking a popular beach resort, the team are trapped in Leek's bunker with an army of creatures. When the creature army escape and run amok in the bunker, the team must both escape the overrun bunker with their lives and stop the creature army from escaping onto the modern world.