Real World/Road Rules Challenge Invasion of the Champions: Underdog Eat Underdog World (1998– ) Online
- Original Title :
- Invasion of the Champions: Underdog Eat Underdog World
- Genre :
- TV Episode / Adventure / Game Show / Reality TV
- Year :
- 1998–
- Cast :
- Hunter Barfield,Kailah Casillas,Jenna Compono
- Writer :
- Katty Biscone
- Type :
- TV Episode
- Time :
- 41min
- Rating :
- 7.6/10
The Champions move into The Oasis. A civil war breaks out within Team Underdog when they must decide which players they want to send into Elimination.
| Episode credited cast: | |||
 | Hunter Barfield | - | Himself |
 | Kailah Casillas | - | Herself |
 | Jenna Compono | - | Herself |
 | Johnny 'Bananas' Devenanzio | - | Himself |
 | Sylvia Elsrode | - | Herself |
 | Amanda Garcia | - | Herself |
 | Ashley Kelsey | - | Herself |
| Shane Landrum | - | Himself |
 | T.J. Lavin | - | Himself - Host |
| Dario Medrano | - | Himself |
| Ashley Mitchell | - | Herself |
 | Camila Nakagawa | - | Herself |
 | Zach Nichols | - | Himself |
| Tony Raines | - | Himself |
 | Cara Maria Sorbello | - | Herself |