Season 1 NBC , 2002 - 2003 Season 2 NBC , 2003 - 2004 Season 3 Hawaii NBC , 2004 - 2005 Season 4 Tehachapi Discovery Family , 2005 - 2006 Season 5 High Sierras Discovery Family , 2006 - 2007 Season 6 Fiji Discovery Family , 2007 - 2008