The Tranq Dope Underground

1Cartel USA

44 minJul 19, 2025

Mariana explores the growing influence of Mexican cartels in the U.S.

2Scam City

44 minJul 26, 2025

Mariana heads to a Southeast Asian hotbed for scamming, where criminal organizations are holding thousands of hostages and forcing them to scam.

3The Tranq Dope Underground

44 minAug 2, 2025Now viewing

Mariana investigates the mysterious next wave of America's opioid crisis.

4Brides for Sale

44 minAug 9, 2025

Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilling brides.

5Million Dollar Highway Heists

44 minAug 16, 2025

Mariana investigates the global phenomenon of armored car heists, responsible for some of the most brazen and dangerous robberies in the world

6Inside America's Militias

44 minAug 23, 2025

Mariana investigates the growing influence of heavily armed militias.

7The Great American Rehab Scam

44 minAug 30, 2025

Mariana investigates the dark underworld of fraudulent addiction treatment programs.

8Black Market Love

44 minSep 6, 2025

Mariana investigates the global surge in anti-LGBTQ+ violence.

9Underground Street Racing

44 minSep 13, 2025

Mariana investigates the deadly world of illegal street racing.

10Shark Hunters

44 minSep 20, 2025

Mariana investigates the underground market for shark fins.