Series
| Series Name | Release Date | Product Count |
|---|---|---|
| The World of Dinosaurs | 2019-07-01 | 24 |
| The World of Ocean Animals | 2022-01-01 | 16 |
| The World of Ocean Animals | 2021-08-01 | 10 |
| The World of Physics | 2025-01-01 | 9 |
| The World's Biggest Animals | 2015-08-01 | 8 |
| The World's Fastest | 2011-01-01 | 2 |
| The World's Smallest Animals | 2024-08-01 | 7 |
| The World's Smartest Animals | 2020-08-01 | 7 |
| They Don't Belong: Tracking Invasive Species | 2015-07-01 | 6 |
| Through the Decades | 2025-08-01 | 0 |
| Tiptoe into Scary Cities | 2018-07-15 | 9 |
| Tiptoe Into Scary Places | 2016-12-21 | 25 |
| Titanica | 2017-12-15 | 8 |
| Todos a bordo (All Aboard) | 2020-01-01 | 5 |
| Todo tipo de amigos (All Kinds of Friends) | 2019-07-01 | 8 |
| Too Cute! | 2021-08-01 | 34 |
| Too Cute! Baby Animals | 2023-08-01 | 14 |
| Too Small to See | 2024-08-01 | 5 |
| Top 10 Animal Extremes | 2025-01-01 | 13 |
| Top Secret Spy Stories | 2024-08-01 | 7 |
| Totally Disgusting | 2014-08-01 | 7 |
| Totally Not True! | 2023-08-01 | 5 |
| Totally Silly Science | 2023-08-01 | 5 |
| Tough Times to Be a Kid | 2023-08-01 | 5 |