In the Veritas Forum with Craig, Plantinga, Gale, and Smith, Smith talked a bit about how the universe caused itself.
Check out the video.
This should be all the related parts, the rest can be found in related videos on youtube.
Whole (sometimes won’t load all the way through)
Craig shows how Smith’s view of how the universe began, if true, would actually prevent motion as a cost. Plantinga then throws in the idea that the universe is not in fact entirely explained. Gale actually disagrees with Smith, causing a short comical period.