Regardless, you can still see him moving around (big stretch!), watch and listen to his heart beat, and see some of his bone structure, like his spine and arms and legs.
The sonographer was taking some measurements of some of the bones, telling us he's growing just fine. You can't really make it out in the clip but we were able to see the hemispheres of his brain; they were totally ready for learning. Later, you may realize that you're looking up from below his feet. This was when she was trying to determine if he was a dude or dudette. She couldn't tell, but the doctor would in a few minutes.
This video is not even 6 minutes long but it seemed a lot longer while it was happening. Also, keep in mind the little nipper is maybe 4" long here.