The video was done by David Rutten and he describes it this way:

I have to admit the animation isn't a 100% bongo. Here's how it was done:

First I set up the camera animation (using normal bongo steps)

Then I dissected a few seconds of the *.avi and saved all the frames as a sequence of *.bmp files in a folder.

Then I wrote a small script that loaded one of the files from the sequence as a texture in a material, called the bongo command to enter the next frame, and saved the viewport to the disk.

The 'motion' is bongo, but the 'motion picture' is scripted.

David

http://news2.mcneel.com/scripts/dnewsweb.exe?cmd=article&group=bongo&item=3377&utag=

Bongo FAQ