When Worlds Collide
| Episode Number | 1 |
|---|---|
| Season | 31 |
| Aired | 2018-01-02 |
| Overview | Past feuds and grudges comes back to haunt 28 eager Challenge competitors, all vying for their share of $500,000. Romance is in the air at the Challenge house, but so is revenge, as the players plot their next moves. |
| Runtime | 45 minutes |
| Absolute Number | 0 |
| Finale Type |