1 - Episode 1

A look at the work of the Metropolitan Police dog unit - 300 dogs and their handlers tackling crime in the capital in their own unique way. During the day, spaniels are sniffing out drugs on the streets of Camden, while in the dead of the night, German shepherd dogs will 'track and attack' armed robbers. These canines and their handlers are in the front line of the battle against crime in London.

2 - Episode 2

3 - Episode 3

4 - Episode 4