Dr Xand invents a crazy game show to put Dr Chris's reactions and reflexes to the test in the lab, and Dr Ronx heads out on call with the emergency services. Beatboxer D-Low shows off his vocal skills in Brilliant Bodies. Also, meet more incredible Ouch Awards nominees. Meanwhile, in the Emergency Department Callum has cut his hand after an incident with a new rug and Georgia's broken a tooth after falling off her bike.

Dr Chris and Dr Xand are in the lab to show the incredible barrier that keeps your brain safe, and they've made a music video to get you moving! Meanwhile Dr Ronx is on call with paramedics and there's a new trick that makes things look bigger than they really are. Over in the emergency department, Conor comes in with a big bandage on his head, and Isaac has dislocated his thumb.