Every season of Britain's Underworld ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Britain's Underworld!

Always a tough town, Glasgow has long held the reputation of being Britain's most deadly city. In the first episode hear about brutal gangland hits and a lethal turf war conducted by ice-cream van drivers. Then meet Glasgow's first godfather who flourished from local hardman to become the mastermind behind an epidemic of armed robberies, as we expose how Scotland's second city turned to crime.

Glasgow

Episode two goes to the world famous home of the Beatles, Liverpool  - but we investigate the darker side. Using the port as the foundation for a criminal empire based on drug dealing, Scouse villains started to import cannabis, heroin and cocaine on an unprecedented scale. Exploring run-of-the-mill provincial crooks to some of the wealthiest gangsters in British history (including one with an entry in The Sunday Times Rich list); we chart the rise of the drug pioneers. Plus, find out how a supergrass helped bring down two of the country's biggest and richest criminals.

Liverpool

Renowned throughout the world for its music, football and club culture, for decades Manchester has also seen a deadly battle played out on its streets, earning it the nickname 'Gunchester' in the eighties. This final show features members of the mysterious Quality Street Gang who, for the first time, talk about how they once ruled the city's underworld and reveal that one of the most lethal wars in gang history started with a row over a girl!  Also find how the police fought a desperate battle to keep lawful control on Manchester's streets.

Manchester

A look at the British crooks, from Freddie Foreman to the gang behind the 1983 Security Express raid, who called the Spanish Costas home in the mid-80s.

Costa Del Crime

Investigation into the gangs and smugglers who fought for control of Essex's ports in the 70s and 80s, turning its seaside towns into their violent playground.

The Best Seasons of Britain's Underworld

The Best Seasons of Britain's Underworld

Season 1

Season 2