I saw this at a preview screening in London.
The format of this documentary is a typical investigative journey that we have become used to from the great Sir David Attenborough's nature programs. This is not comparable to Walking with Dinosaur series, we don't follow the life of any particular family. Instead, the documentary spans the evolution of how early dinosaurs first took to the sky through to their peak and extinction.
Much of the program has Attenborough on screen with scientists investigating fossil bones and explaining how they can interpret the flying dinosaurs evolution. I would guess about 30% of this 40 minute documentary contains CGI recreation of the flying dinosaur era. It is a bit disappointing for an IMAX/big screen feature but thankfully the investigative journey is interesting and educational and no one narrates better then the authoritative and re- assuring voice of Attenborough. When we do see the flying dinosaurs, it is a visual splendour. Though I would have liked to see a little more of them in action and also some interaction with large land dinosaurs for entertainment value. But It seems to me they didn't have a budget big enough to do that which is a shame.
A couple of feeding scenes might be too frightening for very small children (maybe under 4 years old). Because of the lack of land dinosaurs, older kids may also be slightly disappointed but otherwise this should be entertaining enough, educational IMAX feature for the whole family.
I am not a fan of 3D, I don't like how it filters the light and makes the films darker. Unfortunately this is no exception. However, it is used well for depth and if you enjoy 3d for this reason, then you will enjoy it here.