There are some in-jokes that a casual viewer will miss, but I still recommend episode two of zefrank explaining videoblogging. If you’re interested in web 2.0 publishing, you’ll like his rundown of videoblogging style guidelines, and if you follow videoblogs (or web popularity in general) you’ll like his snark about rankings and traffic measurements.
Glimpses of the websurfing habits of a computer science professor, obsessive crafter, occasional gamer, and all around geek