Just as the teams get ready for the Greatest Challenge, a giant and deadly road blocking device, Kurt's younger brother Mark joins in on the adventure. But, as enthusiastic as Mark is, Kurt doesn't want his kid brother around. Fortunately, Vert is impressed by the driving ability of his rival's brother so he asks Mark to join the Wave Rippers.
| Name | Type | Role | |
|---|---|---|---|
| Fabian Nicieza | Writer | ||
| Jeff Gomez | Writer |