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

An exploration of molly, the bliss-inducing rave drug shrouded in confusion and fraud; enhanced.

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

Heroin addiction reaches epidemic proportions on suburban Staten Island, N.Y.; enhanced.

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