VOD (1)
Plots(1)
Marijuana experts discuss the rise of potent "sexually frustrated" cannabis plants, the quest for consistency in weed strains and the history of hemp. (Netflix)
Cast
![Kevin Smith](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268890_505874.jpg)
Kevin Smith (narrator)
USA
Best series:
The Simpsons (1989) (series)
The Big Bang Theory (2007) (series)
Clerks (2000) (series)