The Season 2 premiere introduces new co-host Tim Tebow as well as the couples competing to win a dream home for their hero. What they don't know: an additional grand prize has been set aside for the winners, too.

Mike and Tim attempt to guide the contestants as they battle it out to win a dream home for their heroes.

Tensions rise as the contestants continue on their quest to win a dream home for their heroes.

The contestants continue to learn the fundamentals of home construction while vying to win a dream home for their personal heroes.

With only four contestants remaining in the competition, the stakes are higher than ever. Will the contestants work together to complete their orders or will it be every man for himself?

Contestants get closer to the possibility of winning a Dream Home for their heroes, they must work harder than ever to stay out of the final cut. Find out who moves one step closer to making their heroes' dreams come true in the all-new, special two-hour episode.

Contestants get closer to the possibility of winning a Dream Home for their heroes, they must work harder than ever to stay out of the final cut. Find out who moves one step closer to making their heroes' dreams come true in the all-new, special two-hour episode.