Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Up Close and Gross: Microscopic Creatures | 2011-01-01 | 5 |
| Upsets & Comebacks | 2006-01-01 | 7 |
| U.S. Armed Forces | 2020-08-01 | 6 |
| U.S. Armed Forces | 2023-08-01 | 6 |
| U.S. History: Need to Know | 2023-08-01 | 7 |
| U.S. Military | 2013-01-01 | 14 |
| U.S. National Parks | 2019-07-01 | 7 |
| U.S. National Parks | 2022-08-01 | 13 |
| ¡Vamos! (Let's Go!) | 2018-08-01 | 9 |
| Vehículos al rescate (Machines to the Rescue) | 2021-08-01 | 9 |
| ¡Veo texturas de animales! | 2023-01-01 | 4 |
| Vida sana (Healthy Living) | 2017-01-01 | 9 |
| Vital to Earth! Keystone Species Explained | 2024-01-01 | 7 |
| Vowel Adventures | 2021-08-01 | 7 |
| Wacky World Of... | 2023-01-01 | 5 |
| War Histories | 2023-08-01 | 15 |
| Watch Animals Grow | 2009-01-01 | 12 |
| Watching the Seasons | 2012-08-01 | 6 |
| Watch It Grow | 2019-01-01 | 10 |
| Water Babies | 2012-08-01 | 9 |
| Way to Grow! Gardening | 2015-08-01 | 7 |
| Weather | 2006-08-01 | 8 |
| Weather Forecast | 2022-08-01 | 8 |
| Weather Makes Them Move | 2023-08-01 | 5 |