Plot: Featuring a man who accidentally barbecued his own buttocks; a builder impaled through the thigh on a metre-long metal pole; and a footballer wheeled in with his kneecap facing the wrong way. Plus, how surgeons successfully reattached a farmer's severed arm by first stitching it into his crotch, and medical professionals confess the most bizarre and outrageous cases they've ever been confronted with in casualty