Helicopter ER Season 4 Episode release dates & where to watch

1. Episode 1

The work of the Yorkshire Air Ambulance. The Team is scrambled to a motorway pile-up with multiple casualties and a climber falls 30ft from a landmark on Ilkley Moor.

2. Episode 2

The critical care team fights to save the life of a badly injured biker after a head on collision with a car in the Yorkshire Dales. Plus, a shepherd calls for help after a bad fall.

3. Episode 3

A biker comes off his vehicle in the Dales and paramedics Daz and Pete must act quickly to restore blood-flow to his foot - if they fail, he could lose his leg.

4. Episode 4

Dr Paul is worried his patient may have a lethal brain haemorrhage and a badly injured pensioner has to be rescued after falling 25ft in a woodland gorge.

5. Episode 5

The team prepares to amputate after a driver is trapped by the leg in his wrecked Jaguar, while a boating family is overcome by carbon monoxide fumes during a river trip

6. Episode 6

A flying doctor is scrambled to a serious crash in Barnsley, a three-year-old boy is knocked down outside the married quarters of an army garrison and a farmer is butted by a goat.

7. Episode 7

A mum-to-be goes into labour in a lay-by and paramedics Sammy and Tyrone act as midwives, while a day out ends in disaster when a man falls down a remote waterfall.

8. Episode 8

Two crashes at a motorcycle race leave several spectators with serious injuries, while a teenage student suffers a rare injury when he is knocked over while crossing the road.

9. Episode 9

A teenage footballer is critically injured and Dr Steve must put him into an induced coma, while a Dales farmer is paralysed after he is attacked by his own sheep.

10. Episode 10

A horse rider is thrown on an icy road and paramedic Al helps her endure an agonising medical procedure, while an off-road biker is left with a serious leg injury after a 30ft jump.

11. Episode 11

A horsewoman collapses in the saddle, a clash on a football pitch leaves one player with a potentially life-changing injury and a DIY enthusiast gets on the wrong side of an angle grinder.

12. Episode 12

It's a smelly emergency when a high pressure hose full of pig slurry fells a farm-worker with painful results, and a man is trapped under rubble after a building project goes horribly wrong.

13. Episode 13

The team cares for three serious casualties after a serious crash on a coastal road, and the helicopter is called in when a cyclist is critically injured in a collision with a bus.

14. Episode 14

A biker comes off his vehicle in the Dales and paramedics Daz and Pete must act quickly to restore blood-flow to his foot. If they fail, he could lose his leg.

15. Episode 15

A teenage footballer is critically injured and Dr Steve must put him into an induced coma, while a Dales farmer is paralysed after he is attacked by his own sheep.

16. Episode 16

17. Episode 17

18. Episode 18

A freak car accident in Cumbria leaves Richard fighting for his life. In Hampshire, horse rider Pat takes a nasty fall when her animal is spooked.

19. Episode 19

The Yorkshire Air Ambulance race to assist a biker who has a shattered pelvis and broken thigh bone. Plus, a trainee paramedic is injured after a climbing fall.

20. Episode 20 Finale

Yorkshire's air ambulance team and paramedics reveal all as they make dramatic rescues in remote locations and treat people with life-threatening injuries.