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.