The commentators DO drag it out though. There just ISN'T enough material for a hour show, not with the 25 minutes of commercials.
That does tend to be a problem, give or take the idiotic production staff, having the educated talking head loop the same few expressions over and over as if they’re extra special important. Here’s five and a half minutes with a bad soundtrack:
Mycenae 2007 Lower Town Excavation
http://www.youtube.com/watch?v=GrPjYM6GbY4