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

This enhanced episode digs into the facts behind Montana becoming a hot spot for drugs coming in from Mexico and Canada.

The clear and present danger of meth, crack and heroin on the streets of San Francisco; enhanced.

How ketamine became the drug of choice for a new generation.

In this enhanced episode, Hash is one of the most commonly used drugs on the planet.