Smithsonian Channel Selects isn't the main Smithsonian feed, it's a Pluto TV exclusive that pulls from the network's deep archives, meaning you get the solid docs but not the premieres. Expect a steady rotation of nature, space, and history programming: episodes of Air Disasters, Aerial America, and Mighty Ships pop up regularly. It's a free, ad-supported channel, so commercial breaks interrupt the flow, but the content itself is top-tier. If you want to watch Smithsonian Channel Selects online, it's a fair trade. The science TV United States landscape has plenty of options, but this one stands out for its production quality, crisp narration, stunning footage, minimal fluff. The downside? Repetition. The same episodes cycle frequently, which can feel stale after a few days. Still, for casual viewing or background noise, it's reliable. Just don't expect deep curation or anything you haven't seen on the main Smithsonian Channel before. It's a solid complement to Pluto's lineup.