South Africa is the last place on earth Quaaludes can still be found. Hamilton travels there to study the drug and finds a dark history of medical experimentation. (imdb)

Hamilton travels across the USA meeting with addicts, dealers, chemists, and celebrities to trace the history of PCP from its pharmaceutical origins to its escape onto the streets. (imdb)

From the heavenly cloud forests of Oaxaca to a viral video of Miley Cyrus, Hamilton investigates the inconspicuous yet extraordinary psychedelic plant Salvia divinorum. (imdb)