Marijuana

S3, E7: No matter what you call it--cannabis, weed, pot, ganja, bud, herb, or marijuana--this controversial plant's roots run deep in America. And Henry isn't shying away from digging up its long and complicated history... from its mysterious origins, to top-secret government programs, to hemp's importance in colonial times and wartime. Marijuana's affected the lives of every class of American--from rich businessmen to slaves on the plantation--so prepare to get high on history and let your preconceived notions go up in smoke.