There are other episodes as well.
Using Selenium for testing: http://www.lispcast.com/index.php/2007/10/lispcast-episode-2...
Adding macros to make the episode 1 code prettier: http://www.lispcast.com/index.php/2007/10/lispcast-episode-3...
Writing a reddit clone with Hunchentoot and Common Lisp
lispcast.com