X-OFF Challenge – Episode 1. To kick off the much-awaited X-OFF Challenge, Mark O’Dea welcomes our 15 hopeful contestants to meet Coach Dann and Coach Regina. It may be just the first round, but it is definitely intense with these three stations in order: The Assault Air Bike, Burpees and Backsquats, and only 10 will make it through. Who will it be? Watch to find out!