Stories of near misses when life hangs in the balance, presented by Nick Knowles. Today, a hiker is in search of his dog when a cliff crumbles beneath his feet, a dramatic rescue by a coastguard rope team is captured on camera, and passers-by save the life of a woman who has collapsed in the street.

An angler fishing off rocks is swept out into a raging sea, and a mountain biker attempts a trick but doesn't make it.

Staff at a trampoline centre fight to save a father who has collapsed. A paraglider gets into trouble and loses height rapidly. He attempts to land on a road but doesn't make it.

A terrified family calls 999 when their baby becomes unresponsive, and paramedics must shock him back to life with a defibrillator. A truck driver is diverted along a narrow country road which can't cope with the weight of his vehicle.

A couple are on a trip to celebrate their wedding anniversary when their car is hit by a truck on the M1, spinning it into the path of another HGV. A wingsuit freefaller hits trouble when his parachute gets tangled up.

A group of friends are hiking in the Lake District when one falls 650 ft. A doctor and a paramedic operate on the mountainside to try to save his life. A motorist crests a hill to see a car coming towards him on the wrong side of the road.

An eight-year-old boy taking part in a karting race clips the wheel of a rival, sending his own kart somersaulting through the air. A man leaps into a river to save a drowning dog and ends up having to be rescued too.

Two divers documenting a wreck in the Thames find more than they bargained for and call in the Royal Navy bomb team. An insecure load flies off a vehicle, landing on the windscreen of another driver, blocking his view of a busy motorway.

A skier suffers a leg injury in a remote part of the Alps. Her guide attempts to ski her to safety, carrying her on his back. A little girl calls 999 when her mum goes into anaphylactic shock after eating an ice cream.

Mountain Rescue battle 100mph winds to rescue a woman has slipped and fallen near the summit of Snowden. Paramedics fight to save the life of a cardiac patient whose heart stops three times on the way to hospital.

When a young man falls unconscious in his bedroom it is up to an online friend in Texas to raise the alarm. A nine-year-old boy on holiday in Scotland gets stung by a giant jellyfish.

A 15-year-old girl fights to save her father's life when he has a heart attack after picking her up from school. A driver loses control of their car, scooping two men up on to the bonnet and crashing through a shop window.

A young boy must find help after his grandfather falls on a rocky cliff face, a road racing cyclist's career is threatened when he is hit by a car, and a motorbike rider hits black ice.

A base jumper leaps from a cliff top, but his parachute spins him 180 degrees and he plummets down the rock face. College students on their way home are injured when their coach leaves the road and overturns.

A Scottish cyclist on a round-the-world challenge is hit by a driver in Texas. Plus, a family dog saves the day when a mother slips and falls on the stairs.

A climber in the Lake District plunges hundreds of feet down a mountain, coming to rest above a precipice. A driver ploughs into a car that is blocking the fast lane of a motorway at night.

A heavily pregnant woman collapses on a remote moor. Will the emergency services find her in time? A young driver is filming his commute when a car rounds a bend on his side of the road. The other driver is asleep at the wheel.

A father-to-be has an horrific accident while out mountain biking with friends and a man braves a fire at his family home to search for his dogs.

Neighbours phone for an ambulance when a young mother runs into the street in a panic. Her baby has cut his throat on a glass. A woman is knocked over and trampled by the horses she is feeding when they are spooked by a dog.

A woman gives birth beside the M5 motorway with the help of her husband and an emergency call handler. The coastguard rescue two fishermen whose boat has overturned. A huge oak tree hits a family car during a storm.