. >> and in the role of the saw-wielding carpenter, they hire an actual carpenter, eric weiss. >> ericpenter who put an addition onto my own home. >> he basically asked me if i would be interested in doing this viral video to promote this video. i thought, yeah, sure, what the heck, you know. >> on the day of the shoot, michael and james painstakingly recreate a street scene in a not so busy part of the city. this gather early in the morning to stay under the radar. >> not one person can see us do this. because once that video leaks, this ewould know it was a hoax. >> in another effort to make it look real, michael shoots the scene using his iphone from the back seat of the cab. but it isn't easy. >> timing was a critical issue. we had to rehearse it many times. >> and action! >> on the first take, they encounter a serious setback. >> it actually took too long to cut through the post. i cut through the post most of the way, so when we did the cut, it just took a few seconds. >> now it takes half the time to tear through the pipe. the cast and crew nailed the shot. >> ah! that's it. tha