PowerSwitch

Ok, it's only a clip and I'm posting as a double edged tin rattle and plug. Hopefully it'll be reposted here in all it's full glory when complete.

'An all-star team of artists, scientists, doctors and explorers are joining forces to create a mind-bending, life-affirming film about the mushroom and its mysterious root-like structure: mycelium. What they reveal will blow your mind, and possibly save the planet'

http://www.fungi.net/blog/fantastic-fungi-kickstarter

Looks good.