| Roy Gets a Decoy |
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| Ruby-Throated Hummingbird Migration |
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3.7 |
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| Rudy Rides the Rails |
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4.3 |
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| Saber-Toothed Cat |
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3.3 |
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| Sadness |
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| Saguaro's Gifts |
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| Sahara Desert |
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3.4 |
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| Saltarines de alta velocidad (High-Speed Hoppers): Canguro (Kangaroo) |
|
1.0 |
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| Sam and Jen Get a Pet |
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| Sam and Lucy |
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| Samba! The Heartbeat of a Community: Ailton Nunes's Musical Journey |
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| Sam in the Winter |
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| Samuel on a Cruise |
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| Sandhill Crane |
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| Sandy Feet! Whose Feet?: Footprints at the Shore |
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| Santa's Secret |
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| Santa's Underwear |
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| Sarah Mather and Underwater Telescopes |
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4.4 |
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| Saturn |
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3.2 |
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| Saudi Arabian Heritage |
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4.1 |
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