Episode 1: Waking Up in the Universe
http://video.google.com/videoplay?docid=2792605076463399298

Episode 2: Designed and Designoid Objects
http://video.google.com/videoplay?docid=-8165848317250752475

Episode 3: Climbing Mount Improbable
http://video.google.com/videoplay?docid=-690865967686494800

Episode 4: The Ultraviolet Garden
http://video.google.com/videoplay?docid=8731245387980352228

Episode 5: The Genesis of Purpose
http://video.google.com/videoplay?docid=-2065619921419809608

Regardless of what you may think about his religious views, he seems to be a pretty good lecturer.