Lucy Lawless will be hosting a 30 minute special called "Legend of the Seeker: Making of a Legend" It will air on the 18th October (please check your local tv guide in your area).

Description: A preview of the fantasy series features its stars and its
spectacular home in New Zealand; host Lucy Lawless

The info comes from terrygoodkind.com forum (posted by uberco)

UPDATED INFO
WGN America will have the special on at 2:30 pm ET next Saturday. Most cable systems carry it, and it is also available on Dish network. News contributed by MET