tracks and getting out there. >> tim and i are always pushing the limits. oh, yeah, i see a cliff. that's ten feet. we can do that. then the next one it's 20 feet. and he does a 30 and i got to do a 40. it steps up from there. >> even the brothers like the hoff brothers can reach their limit. >> march 2010, tim, rob and a camera crew are in the mountains of british columbia, canada, on a quest to film their biggest jumps yet. >> we wanted to get a lot of air footage, powder footage. in that area you can get more big fast pictures and shots because it's so big, so long, so much terrain. >> everybody was pumped up and ready to drop a cliff or do a big jump or something. everybody was ready to unleash a little energy. >> scouting for a great jump, tim looks up and sees the perfect cliff. >> i kind of just clicked into go mode. well, i'm going to do it. the cameras just had to scramble, actually, to get into place.