| ID | Interpret | Skladba | Album | |
| 181. | The D6 Generation | The 12 Challenges of Gaming | Not Too Horrible Humor |  |
| 182. | Daniel Nerenberg | Windows Client Operating Systems: Focus Windows Vista | Daniel Nerenberg on Windows and Windows Vista | |
| 183. | Kerry Brown | Windows Client Operating Systems: Focus Windows Vista | Kerry Brown on Windows and Windows Vista | |
| 184. | Dr. Thomas Robinson | Jesus Challenges Religion | Manhattan Church of Christ | |
| 185. | ENR (Engineering News-Record) | Today's Engineering Challenges | McGraw-Hill Construction | |
| 186. | Eric Beauchemin | Flatlanders-Challenges of Immigration-1 | | |
| 187. | Gatorade Sports Science Institute | Sodium Related Challenges | | |
| 188. | Fred Markert | God's Answer to Global Challenges | Belmont | |
| 189. | Pastor Hubert Morris | Handling Life's Challenges | Pastor Hubert Morris | |
| 190. | Gatorade Sports Science Institute | Sodium Related Challenges | | |
| 191. | Carnegie Endowment for Internal Peace | New Powers, New Challenges, New Possibilities | Carnegie Endowment Podcast | |
| 192. | Pastor Hubert Morris | Handling Life's Challenges | Pastor Hubert Morris | |
| 193. | Gatorade Sports Science Institute | Sodium Related Challenges | | |
| 194. | and also the trees | gore challenges bushlogic | | |
| 195. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus (3 of 3) | Dallas Seminary Chapel | |
| 196. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus (2 of 3) | Dallas Seminary Chapel | |
| 197. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus (1 of 3) | Dallas Seminary Chapel | |
| 198. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus | Dallas Seminary Chapel | |
| 199. | Homer, trans. Butler | 03 - Paris Challenges Menelaus | The Iliad | |
| 200. | ENR (Engineering News-Record) | Today's Engineering Challenges | McGraw-Hill Construction | |
