Captains Meriwether Lewis and William Clark are introduced, as is the huge mongrel that would accompany them for most of their journey. Sergeants Ordway and Gass are added to the Corps of Discovery’s complement of military explorers.Original Air Date: November 14, 1965Host: Andrew RhynesShow: Horizons WestPhone: (707) 98 OTRDW (6-8739) Stars: Exit music from: Roundup…