One Good Reason To Wear A Helmet - Uri splits his head open when tripping during a rail grind with his rollerblades.One Last Trick - The last trick of the day turns into a nightmare for Morgan, when he winds up with a hole in the side of his face after an accident on his bike.Nailed In The Nuts - Not noticing a jagged piece of metal on a rail, Mitch falls off his skateboard while trying to grind, and lands on it, splitting his scrotum open.Railed - Kevin loses control of his skateboard while trying to complete a downhill speed-skating course, and ends up with a hole in his knee.Two Elbows - After not being able to land a trick on his skateboard after repeated attempts, Andres tries a grind, but nearly loses his arm.