Enhanced episodes of "Drugs, Inc." provide a comprehensive look at society's most abused drugs: cocaine, methamphetamine, heroin and marijuana.

Cocaine and marijuana dominate a drug-fueled, 24-hour lifestyle for Londoners, who work hard and play even harder; enhanced.

Enhanced episodes of "Drugs, Inc." provide a comprehensive look at society's most abused drugs: cocaine, methamphetamine, heroin and marijuana.

A cocaine-dusted trail is blazed from Peru to West Africa to Amsterdam; enhanced.

The players, dealers and doctors behind the drug trade in Los Angeles; enhanced.