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Dr Chris, Dr Xand and Dr Ronx explore the ins and outs of the human body in a variety of exciting experiments.
It's Hairy! The doctors put the strength of human hair to the test and find out what makes different colours and types of hair. [S] [HD]
How Can You See in the Dark? How do you see in colour, and in the dark? Time for Dr Xand to become Night Vision Man! [S] [HD]
Magnificent Mucus. The doctors reveal the power of mighty mucus in keeping bacteria out of your airways.
Mind You Don't Fall! There's flamenco dancing in the lab as the doctors take a look at fat pads in your feet. And find out what to do if someone falls from height. [S] [HD]
Tendon Take Off! George the tree frog joins the doctors to find out how your Achilles tendon works.
Tendon Take Off! George the tree frog joins the doctors to investigate how your Achilles tendon works using huge catapults! And there is a suspected spider bite in the emergency department. [S] [HD]
Mouth v Knee. The doctors investigate which part of the body heals the fastest.
Fingers on Buzzers! The doctors supersize the tiny alveoli inside your lungs.
It's a Lung Slide! The doctors investigate how your lungs move, with the help of a huge water slide!
Earmageddon! The doctors put the acoustic reflex to the test with an enormous balloon.
Blood. Dr Chris at Dr Xand show you how to make an amazing blood lava lamp!
Totally Gross! The hunt is on for grossest thing ever seen on Operation Ouch!
Heart. Dr Chris and Dr Xand show how to build your own pumping heart model.