The Xtra Factor Best and Worst 2008: Part Four (2004– ) Online
- Original Title :
- Best and Worst 2008: Part Four
- Genre :
- TV Episode / Music / Reality TV
- Year :
- 2004–
- Cast :
- Holly Willoughby,Cheryl,Simon Cowell
- Type :
- TV Episode
- Time :
- 1h
- Rating :
- 6.6/10
| Episode credited cast: | |||
 | Holly Willoughby | - | Herself - Presenter |
| Rest of cast listed alphabetically: | |||
 | Cheryl | - | Herself (as Cheryl Cole) |
 | Simon Cowell | - | Himself (archive footage) |
 | JLS | - | Themselves (archive footage) |
 | Ruth Lorenzo | - | Herself (archive footage) |
 | Dannii Minogue | - | Herself (archive footage) |
 | Dermot O'Leary | - | Himself (archive footage) |
 | Louis Walsh | - | Himself |