| Explore Music |
2023-12-15 |
7 |
| Explorers Set 1 |
2004-08-15 |
13 |
| Explorers Set 2 |
2007-01-01 |
13 |
| Explore Space! |
2021-08-01 |
7 |
| Explore the Countries Set 1 |
2013-09-01 |
17 |
| Explore the Countries Set 2 |
2014-08-01 |
9 |
| Explore the Countries Set 3 |
2015-12-15 |
9 |
| Explore the Countries Set 4 |
2017-09-01 |
9 |
| Explore the United States |
2019-12-15 |
106 |
| Exploring America's Regions |
2017-12-15 |
7 |
| Exploring Nature |
2025-12-15 |
7 |
| Exploring Our Universe |
2016-12-15 |
9 |
| Exploring World Governments |
2011-01-01 |
9 |
| Extreme Jobs |
2011-09-01 |
7 |
| Extreme Sports |
2020-08-01 |
9 |
| Extreme Sports Events |
2023-12-15 |
9 |
| Extreme Sports Stars |
2014-08-01 |
7 |
| Extreme Weather |
2019-08-01 |
9 |
| Eye on Energy |
2007-08-15 |
7 |
| Fables & Folktales |
2025-12-15 |
7 |
