| ID | Interpret | Skladba | Album | |
| 151. | GBA Doom 2 | Map34 - The Ultimate Challenge | Elbryan42's Awesome Quality! |  |
| 152. | Darris McNeely | Beyond Today: The Bible's Challenge to You | 2007 Beyond Today | |
| 153. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 154. | The National Archives | Britain and the Challenge of Fascism #2 | Past Masters | |
| 155. | Hifi Hero! | OhHowCrap- One Hour Challenge | | |
| 156. | Ninjadmin vs hiccup | TCRE Tag Team Challenge #1 | TheCoolestRadioEver | |
| 157. | Ninjadmin vs hiccup | TCRE Tag Team Challenge #1 | TheCoolestRadioEver | |
| 158. | www.aladdin-fan.net | Dark Mountain/The Challenge | Aladdin And The King Of Thieves | |
| 159. | www.aladdin-fan.net | Dark Mountain/The Challenge | Aladdin And The King Of Thieves | |
| 160. | Sol Kaplan & Gerald Fried | Amok Time - The Challenge | Star Trek Vol. 2: The Doomsday Machine & Amok Time | |
| 161. | The National Archives | Britain and the Challenge of Fascism #2 | Past Masters | |
| 162. | Brenda Stokely, Million Worker March Movement Eastern Region Co-coordinator; Co-convener, New York City Labor Against War | Katrina: A Challenge for the Movement | Workers World Forum, NYC, Oct. 22, 2005 | |
| 163. | Brenda Stokely, Million Worker March Movement Eastern Region Co-coordinator; Co-convener, New York City Labor Against War | Katrina: A Challenge for the Movement | Workers World Forum, NYC, Oct. 22, 2005 | |
| 164. | Brenda Stokely, Million Worker March Movement Eastern Region Co-coordinator; Co-convener, New York City Labor Against War | Katrina: A Challenge for the Movement | Workers World Forum, NYC, Oct. 22, 2005 | |
| 165. | Adam Linder | Sunday Crossword Challenge | Burning Up |  |
| 166. | Jeff Gordon | Nextel All Star Challenge | Charlotte | |
| 167. | Jeff Gordon | Nextel All Star Challenge | Charlotte | |
| 168. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 169. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 170. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 171. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 172. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 173. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 174. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 175. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 176. | Pastor Zeke Pipher | Becoming Like Jesus - Challenge 2008 - Various | Challenge 2008 | |
| 177. | Brunel FM | First Monday Post Challenge | | |
| 178. | WBNY-FM | Primary Challenge Radio | Buffalo State College Podcasts | |
| 179. | Greg Hunt MP | The global climate challenge | Wednesday Lunch at Lowy | |
| 180. | Sir David King | The Challenge of Climate Change | LSE: Public lectures and events | |
