Jobi visits Dr Ranj with a cut on his head. He thinks he will need stitches but Dr Ranj explains that he can use a special kind of glue instead to mend his cut.

Dr Ranj needs to give Petal medicine in a different way. He is going to put a tiny tube called a cannula in the back of her hand so he can give her medicine through a tube.

Deep has some mysterious itchy red bumps all over his body. Dr Ranj thinks he might have an allergy. The decide to investigate the cause of it.

Kiwa is embarrassed to visit Dr Ranj because it hurts when she wees. Dr Ranj explains that it is nothing to be embarrassed about, but it might hurt because she has an infection. He does an ultrasound scan to check her bladder and kidneys.

Riz has come to see Dr Ranj wearing his cycle helmet because he is worried about falling down. Dr Ranj discovers that Riz has fallen down before. Dr Ranj tells Riz he's going to do a test called an electroencephalogram, or EEG for short. It will test whether the electricity in Riz's brain is working properly.

Jobi is pretending to be a superspy but is having problems hearing things and thinks he might need a new ear. Dr Ranj reassures him by doing a simple hearing test.

Petal has come to see Dr Ranj because her feet hurt, particularly when she dances. Dr Ranj tells her that she has flat feet, but by putting special insoles in her shoes they should stop hurting and she can enjoy dancing again.

Deep comes to see Dr Ranj because he has funny feelings inside his chest and can hear a boom, boom. Dr Ranj does an ECG test - an electrocardiogram - to check how his heart is working.

Dr Ranj arrives on the ward to see Kiwa, who is worried about her operation to remove a skin flap. Dr Ranj reassures her and she ends up enjoying being wheeled along on her bed to the operating theatre.

Riz is in the outpatients department, where he has come to have five tests: height, weight, heart rate, breathing rate and blood pressure. He enjoys ticking them off on a list as he goes.