Series
| Series Name | Release Date | Product Count |
|---|---|---|
| They Don't Belong: Tracking Invasive Species | 2015-07-01 | 6 |
| Time Hop Sweets Shop | 2016-01-01 | 22 |
| Time to Discover | 2018-07-01 | 6 |
| Tiptoe into Scary Cities | 2018-07-15 | 9 |
| Tiptoe Into Scary Places | 2016-12-21 | 24 |
| Titanica | 2017-12-15 | 7 |
| Todos a bordo (All Aboard) | 2020-01-01 | 6 |
| Todo tipo de amigos (All Kinds of Friends) | 2019-07-30 | 6 |
| Too Cute! | 2021-08-01 | 33 |
| Top Puppies | 2020-01-07 | 8 |
| Totally Disgusting | 2014-08-01 | 7 |
| Tough Trucks | 2018-08-01 | 7 |
| Transportation and Me! | 2017-01-01 | 12 |
| Treed: Animal Life in the Trees | 2013-08-01 | 9 |
| True Survival Stories | 2021-08-01 | 7 |
| Tu cuerpo maravilloso (Your Amazing Body) | 2017-08-01 | 8 |
| Turning Points in U.S. History | 2020-01-01 | 11 |
| Twice the Scare Combos! | 2015-07-01 | 9 |
| Twice the Scare Combos II | 2016-07-25 | 9 |
| Ultimate Speed | 2005-08-01 | 2 |
| Ultimate Supercars | 2019-08-01 | 31 |
| Uncharted: Stories of Survival | 2020-08-01 | 7 |
| Uncommon Animals | 2008-08-01 | 6 |
| Understanding Weather | 2015-08-01 | 7 |