Great Ormond StreetAugust 11, 2015

Great Ormond Street is Britain's leading hospital for treating children with serious diseases of the brain - from tumours to epilepsy to rare neurovascular conditions. To save lives, doctors have no option but to undertake treatments which carry grave risks - children may be left with a mental impairment or may not even survive.

Great Ormond Street was broadcast on BBC2 at Tuesday 11 August 2015, 07:21. This episode was initially placed on Tuesday 28 July 2015.