Competitors are tested in intelligence, endurance and physical strength.
Seasons
Episode
1
Brothers in Arms
Episode
2
Fear is Not an Option
Episode
3
Will to Win
Episode
4
No Guts, No Glory
Episode
5
Faster, Stronger, Smarter
Episode
6
Deadliest Guy on the Block
Episode
7
Hard Work, Hard Play
Episode
8
To Hell and Back
Episode
9