Season 4

In Lanchester, heli-medics struggle to free Malcolm, who's trapped in his mangled car. Tree surgeon Terry falls from height in Ashdon, breaking his femur. And a motorbike accident in the Peaks sees medics rushing to the aid of Jamie.

A head-on car smash in Cumbria leaves Nick's life hanging in the balance. Heli-meds help Craig who has come off his motorbike and smashed headfirst into a signpost. And medics battle extreme weather conditions to reach a man trapped under his JCB.

Mike's come off his bike and is experiencing altered sensations in his legs. Luke's also had a serious bike crash with a piece of his bone left lying on the road.

The heli-medics race to help a teenage motorcyclist who has been hit by a car and catapulted into the air. A holiday fitness workout ends in CPR. And a lorry driver is trapped in his cabin after being hit from behind.

The heli-medics rush to help a man who has a single penetrating wound in his back, but doesn't know if he's been shot or stabbed. Cyclist Thomas is knocked off his bike, and the medics perform roadside surgery in a bid to save his life.

The heli-medics race against the clock after Yvonne suffers a cardiac arrest. In the Peaks, they land on top of a steep ridge where Donna collapsed while walking. A motorcyclist collides with a car, and medics fear multiple fractures.

A motorcycle collision on the M25 creates chaos as the heli-medics close carriageways to treat a driver with an injured leg. A runner has a cardiac arrest during a 5k park run. And a man's fallen down some stairs and fractured his femur.

Charlie has life-threatening injuries after coming off his dirt bike at height. The heli-medics race to treat him as a matter of great urgency. And worried parents watch on as medics treat their five-year-old child who is having seizures.

Medics rush to help a 15-year-old who's fallen 20 feet after a large kite dragged him off his feet. Medics suspect Ellana may have a serious head injury after a road traffic collision in Leicester trapped her in her vehicle.

Heli-medics scramble to Dove Holes, high in the Peak District, where a dirt buggy smash leaves Brendan with major injuries. Farm worker Doug tears his arm on a potato harvester, and Daryl has a suspected cardiac arrest.