STG We Heart The Heart!

27m

The Doctors reveal how far a heart can pump blood, Dr Xand meets a life-saving dog, and Dr Chris is in the Ouch-Mobile solving more medical mysteries.

STG What's In A Cough?

27m

The Doctors reveal what comes out of your mouth when you cough, and Dr Xand gets a front row seat at a life-changing operation.

STG My Blue Skull

27m

The Doctors reveal how you taste with your nose as well as your tongue, and Dr Chris discovers how 3D printing works when he prints his own skull.

STG Why Do We Wee?

27m

The Doctors fill their bladders, quite literally, to show what happens when you go for a wee. Meanwhile, in Accident & Emergency, one patient has swallowed a coin.

STG Whose Lying Here?

27m

The Doctors try to trick their body temperatures, and Dr Xand tries to stop his body giving him away when he tells fibs in a lie detector test.

STG Bionic Eyes and Body Cheese

27m

The Doctors make an unusual type of cheese with Xand's body bacteria and find out what to do if someone breaks their leg.

STG Don't Try This At Home!

27m

The Doctors set fire to food, Dr Xand goes to an asthma clinic, and the Ouch-Mobile opens its doors to solve more intriguing medical mysteries.

STG A Body Full Of Blood

26m

The Doctors get competitive in a race to reveal what happens when blood vessels get blocked and Dr Xand goes for some physiotherapy.

STG The Bits That Make You Scream "Ouch!"

28m

Dr Chris and Dr Xand demonstrate what to do if someone chokes, and the Ouch-Mobile opens its doors to help solve more medical mysteries.

STG How Your Nerves Work

27m

Dr Chris and Dr Xand reveal the surprising secret behind the speed of your nerves, and Dr Xand finds out what happens if you don't wash your hands.