The New York Times describes Fantastic Fungi as a model for planetary survival... That's a fair claim but one I am willing to believe.
"Mushrooms can heal you, they can feed you and they can kill you!" - Paul Stamets
Fantastic Fungi is a film by Louie Schwartzberg and is available to buy or rent over on his site, Rotten Toms rates this one at 100%. It's a must watch!