These are all of the videos documenting the development of Planet X2 and X3.
| Speech Topic | Link |
| Planet X2, the Making Of | Episode 190 |
| Planet X3, The Making of Part 1 | Episode 196 |
| Planet X3, The Making of Part 2 & Kickstarter | Episode 213 |
| Planet X3, The Making of Part 3 | Episode 223 |
| Planet X3, The Making of Part 4 | Episode 245 |
| Planet X3, Teaser & Narrated Storybook | Special |