The next big thing in medical marijuana might be cancer therapy. But with little hard evidence, families whose children have life-threatening cancer are taking matters into their own hands, and getting their kids super stoned—to save their lives.

The federal government has not legalized medical marijuana, so agencies like the V.A. can't recommend it; as a result many Vets fear that using marijuana will violate the terms of their disability agreement.

Bernard Noble is serving 13 and a third years in prison for having two joints in his pocket; Krishna Andavolu tracks Noble's story from his arrest to his incarceration.

Krishna follows the Green Rush to Colorado, meeting families who've relocated to seek medical pot and those who are trying to strike gold in America's Marijuana Mecca.

Krishna travels to Northern California and meets pot farmers in the Ganja Breadbasket; Krishna looks into the possibility of corporate change if the plant is legalized.

Krishna heads to the Congo and meets with farmers in rebel territories who smoke and sell weed for a living.