GPs are among the most trusted and respected of all professions. They are our first port of call for most NHS treatment with 800,000 people visiting surgeries every day. But Dispatches reveals that failing doctors routinely slip through the system.

As patient numbers and pressures increase, Dispatches investigates the reality of work for nurses around the country and examines whether patient care is being compromised in NHS hospitals.

Geoffrey Smith's moving film follows Henry as he travels to Kiev to help Igor operate on a young man called Marian, who without surgery has just months to live. When Henry arrives, he faces a serious challenge - Marian must be awake when his tumour is removed, and Henry must use the most basic tools, including a Black and Decker drill.

A crowdsourced social history of the NHS, told through people's treasured mementoes, whether they be the unsung medical heroes of the staff or the experiences of the patients.

This episode covers the first quarter-century of the service and unveils a host of unique artefacts, including the graduation certificate of a doctor who only qualified on the NHS's first day and yet was thrown straight into surgery,

This episode covers a period in which the NHS expands beyond all recognition as it is forced to evolve and adapt to the needs of an ever-growing, and ever more diverse population, all against a background of social strife and the increasing pressures to privatise.

Alex Brooker continues to chart the history of the National Health Service via the treasured memories of patients and staff whose lives it has affected since its inception in 1948.