One episode is on YouTube (w/James Doohan too)
There's an episode on YouTube (broken up into three parts)...
http://www.youtube.com/watch?v=b7Dj8XlrVaQ Part 1
http://www.youtube.com/watch?v=Yu0wbis-Eu4 Part 2 (which includes James Doohan)
http://www.youtube.com/watch?v=rYIzfDxRGvY Part 3
Enjoy!