I watched the documentary but I honestly found it incredibly boring. It's a continuos cycling of the same bunch of new age authors, probably self-appointed researchers of the phenomena that keep firing the same enthusiastic hyperbole and keywords without providing any real information.
In general the film contains very little investigative work and besides a few strange occurrences with electronic devices, the author doesn't make any effort to separate the wheat from the chaff or get deeper in the mystery. It gets dull pretty quickly but I forced myself to keep watching until the end.
Also, even without having read much about the subject, I noticed that at least 50% of the formations that are shown repeatedly in the video could easily be man-made, but for some reason they are all acritically offered as "genuine messages from higher intelligences". It gets annoying after a while.
To give some perspective near where I live there's a group of 6-7 people that make crop circles as a hobby, asking permission to the field's owner before getting to work. Very recently they created this crop circle:
Which could easily compete with many of those shown in the documentary in terms of complexity. Of course not all of them and a few in particular are extremely remarkable, including the "alien with CD" shown earlier.
They did the above formation in one night from 10pm to 4am, 7 people. Funnily they declared that "no alien was harmed in the making of this crop circle" :D
Here's the article in Italian if you're interested:
http://attivissimo.blogspot.it/2014/06/il-cerchio-nel-grano-di-stanotte.html
The intro to the article is in English, the rest you can translate with Google.
I would have liked to know more about the strange phenomena such as weird materials found in the formations, strange EM activities etc... maybe there's some interesting evidence for something really strange going on but the documentary fails completely to dig it up :(