Summary Seven months into the program, 25 Cubes remain. Peter wants to cut that number by half, to those who have a fighting chance of a pro match. He arranges one-on-one meetings to give them frank assessments of their. He expects many will quit when they learn where they stand. Rick and Peter discuss their mutual surprise that Rick has stuck it out. It has been the journey of his life, Rick says. Peter tells Rick he's as tough as anyone he has ever met. Steve is struggling physically, but his spirit is strong. He tells Peter he will have his fight - one way or another. Peter tells Boyd he needs to find his killer instincts if he ever hopes to fight. At the five-month mark, 13 Cubes remain. They begin training with pros, and the intensity amps up exponentially. The Cubes discuss the strain the program is taking on their personal and professional lives, and also reflect on the bonds developing between them. Boyd's dream of making it to the cage is threatened by injury, but he refuses to let the sacrifices he has made so far amount to nothing.

• Documentary