Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Tell Me Why | 2024-01-01 | 5 |
| Tell Me Why Set Two | 2025-01-01 | 9 |
| That's Disgusting! | 2020-08-01 | 9 |
| That's Not a Dino! | 2023-01-01 | 5 |
| The American Journey | 2019-07-01 | 6 |
| The Art of Mindfulness | 2022-01-01 | 1 |
| The Deep End: Animal Life Underwater | 2013-08-01 | 8 |
| The Dino-sphere | 2018-12-15 | 12 |
| The Five Senses | 2018-01-01 | 7 |
| The History of Foods | 2025-08-01 | 0 |
| The Hole Truth! Underground Animal Life | 2013-01-01 | 13 |
| Then and Now | 2019-01-01 | 8 |
| The Power of Positivity | 2024-01-01 | 5 |
| The Right to Vote | 2024-08-01 | 5 |
| The Scariest Places on Earth | 2014-08-01 | 13 |
| The Scoop on Poop | 2017-07-19 | 7 |
| The Seasons | 2022-08-01 | 6 |
| The Senses | 2007-08-01 | 6 |
| The Seven Wonders of the Modern World | 2020-08-01 | 8 |
| The Sky's the Limit | 2019-10-15 | 10 |
| The Ultimate Animal Library | 2024-08-01 | 23 |
| The Unexplained | 2025-01-01 | 9 |
| The Unexplained | 2011-08-01 | 4 |
| The Work of Heroes: First Responders in Action | 2013-01-01 | 7 |