Smithsonian ChannelWATCH IN APP FOR FREEplay_circle_filledVisit WebsiteShareshareSmithsonian Channel can be watched for free online, just open the FREECABLE TV App to see more information.Watch Smithsonian Channel Episodes Onlineplay_circle_filledAfrican-Americans Came out of the Civil War and Ran into Jim Crow | Smithsonian Channelplay_circle_filledUnfathomable Cruelty at the Heart of Hitler’s Russian Invasion | WWII Battles in Color | Smithsonianplay_circle_filledImposing Concrete Hideout is Where Nazi U-Boats Were Once Built ⛴ WWII by Drone | SmithsonianmoreWATCH IN APPplay_circle_filledchevron_leftchevron_rightComments