I remember discussing this nearly eight years ago here:
http://jackbenny.org/phpBB3/viewtopic.php?f=2&t=213&start=30
I just found out that UCLA houses the original Truth or Consequences production material and clippings regarding the show. Nothing is online, but if you are in the area, you can get permission to do research.
http://oac.cdlib.org/findaid/ark:/13030/kt767nf2nr/entire_text/
The list on this site is very long, but do a search for "walking".