Desc: The Lost Sea Expedition TV Series: Directed by Bernie Harberts, Julia Carpenter. With Dianne Greenwood. The true story of a lone 14-month wagon voyage across America. Filmed by Bernie Harberts, it is a tale of water and desert, loneliness and companionship. Lakota, Christian and secular beliefs about the origin of a land. Harberts, his mule and his lens capture the essence of the American West.