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Lewis & Clark: The Journey of the Corps of Discovery is a 1997 television documentary miniseries about the Lewis and Clark Expedition directed and co-produced by Ken Burns. It is produced by Burns' Florentine Films for Washington, DC PBS station WETA-TV, first aired on PBS on November 4 and 5, 1997. The first part of the film covers the expedition up to the headwaters of the Missouri River. Wikipedia