Operation Ouch!

Episode 8. The doctors use real stomach acid to do an experiment to reveal how the digestion process starts. [S] [HD]

Episode 9. The doctors show that your breath is just as unique as your fingerprints and Dr Chris goes behind the scenes of medical drama Casualty. [S] [HD]

Episode 10. Dr Chris and Dr Xand demonstrate an awesome body trick and reveal another way the human body heals itself after an injury. [S] [HD]

Dr Chris and Dr Xand look at what medicine was like in the First World War and meet a Paralympian runner who swaps her awesome blade for a World War I leather leg. [S,AD] [HD]