24 videos spanning 6 years of time, 1 hour, 41 minutes

<iframe width="1280" height="720" src="//www.youtube.com/embed/videoseries?list=PL_9pEZFr8uDZoYWLuEAUJWDg4DNl0K66m" frameborder="0"></iframe>

http://www.youtube.com/playlist?list=PL_9pEZFr8uDZoYWLuEAUJWDg4DNl0K66m - link if embedded playlist isn't working here.