Tonton Streaming Into the West (2005) S1E5 - Casualties of War

When gold is discovered in the Black Hills, the Lakota's most sacred land is threatened. The government wants mining rights, but Chief Sitting Bull refuses. He later has an ominous dream that gives hope to the Lakota. This vision becomes reality when the ambitious General Custer and the 7th Calvary are outnumbered by Crazy Horse and his warriors at Little Big Horn. But the Lakota victory fuels hatred of the Indians among those who seek to destroy them and their culture.