Summary: The observational documentary returns, this time giving an insight into the work of doctors at Putneymead Group Medical Practice in Putney, south-west London. Dr Tim King treats Vittoria, who has been injured during an assault and also has an agonising throat infection, but the real root of her problems is her alcohol dependency and before long the appointment descends into chaos. Dr Ashleigh Helm diagnoses a frightened patient with early onset dementia, while Dr Don McKenzie has a consultation with Harold, a terminal cancer patient who has been told that he has just months to live

Summary: Dr Ali tries to make a diagnosis while a noisy 10-year-old is tearing up his consultation room, and Dr Baveja struggles to get any sense out of a drunken, homeless man suffering from insomnia. Dr Andrews turns detective to find out what is wrong with a young boy who is gasping for breath, and Dr Earney treats a patient who has swollen testicles.

Summary: One of Dr Ali Hassas's appointments is with faith healer Lalage Hall, who suffers a `demonic' attack during her consultation, while Dr Don McKenzie does his best to calm down a man who has been in the waiting room for 90 minutes. Dr Lucy Andrews uses all of her experience to diagnose the cause of a teenage boy's mystery illness, and a practice nurse cares for a lung cancer patient who has just weeks to live.

Summary: Ryan has woken up to discover a livid red rash covering his entire body and Dr Laura Neil struggles to diagnose the problem, so calls in resident skin expert Dr Don McKenzie. Office worker Lawrence is in Dr Natalie Smith's consulting room as he cannot get the fingers of his right hand to move, while Dr Ashleigh Helm's patient Sue has developed tremors in her hands and legs.

Summary: The GPs try to convince some of their patients to trust in medical science rather than unorthodox therapies that may be doing them more harm than good. Dr Ali Hassas sees a man whose alternative practitioner is treating his sore neck by repeatedly punching the painful area while chanting, and Dr Maria Wallace's patient has turned to the internet to restore his flagging libido and has since suffered blackouts and dizzy spells. Dr Devin Gray helps a woman who has been administering a mysterious Chinese ointment to painful blisters.

Summary: The mental health of patients and GPs at Putneymead Group Medical Practice in south-west London comes under the microscope. Dr Ashleigh Helm reveals how she once had a severe eating disorder that led to her having a mental breakdown after 10 years of silent anguish, while veteran physician Dr Don McKenzie tries to convince an Australian woman with chronic depression that life is worth living.

Summary: Veteran GP Don McKenzie performs a rectal examination, treats a young girl with a marble-sized growth on her forearm, and offers honest advice to a patient who has terminal cancer. Meanwhile, Dr Maria Wallace must bring all of her medical knowledge to bear if she is to correctly diagnose a man whose symptoms include a habit of hitting himself in the face, and Dr Tim King sees a patient with a gum infection that has caused the side of her face to swell up massively.

Summary: At Putneymead Group Medical Practice in south-west London, Dr Alison Kirkland sees a woman who blacked out while walking home from work, while Dr Mandeep Baveja tries to discover the root cause of his patient's crippling back pain and inability to control his bladder. Nurse Louise Johnson is doing her best to look after a mother and her three children who were run over by a van, and Dr Kieron Earney and his patient discuss which provides the better service - private health care or the NHS.