Please don't try this at home! This insane daredevil risks his life filming himself lying on the tracks as a speeding train passes over him. Something tells us this won't be the last time this adrenaline junky temps fate.

Do you have problems motivating yourself to exercise? Try having a pack of sword wielding Samurais chase you around the track. This Japanese TV show scares the bejesus out of a champion speed walker by unleashing five pretend...

...starring his own grandma, who is... Dancing around in an aerobics leotard for five minutes. You get the point after about 45 seconds, but the song’s catchy, and, damn, grandma’s friend is pretty hot.