Lewis & Clark Expedition (2) tv-14 Play video Select your TV provider to log in to have full access to videos Select your TV provider See all providers Don't see your TV provider? Learn more You can access this video on the free HISTORY® apps. *You must verify your TV provider towatch this video on the App Your Parental Control settings do not allow you to view this content. Lewis & Clark Expedition (2 min) tv-14 In 1804, Jefferson sends a team to explore lands acquired in the Louisiana Purchase. The Corps of Discovery will travel nearly 8,000 miles over three years, reaching the Pacific Ocean and clearing the path for westward expansion.