This was shown in the UK last year. Unless it has undergone a re-edit it is less driven and focused on Buffalo than you might think.
The main focus of the docu is a Cam professor constructing a scale mock up of the raid and discussing the challenges that had to be overcome. Personally I think the guy comes across as a bit of a prat and does not portray engineering in a good light, but that is just me...
None the less it is worth a watch.