The Crash Detectives Episodes Available now

Episode 4—Series 4

4/4 Two young children fight for their lives after their family car is hit by a van on the M4.

3/4 A motorcyclist dies in a crash at a busy city junction.

2/4 An 18-year-old man has died in a head-on crash on a country road.

1/4 A man is found dead on a dark mountain road, and a driver has fled the scene.

4/4 A cyclist fights for his life after a crash with an articulated lorry.

3/4 Desperate 999 calls flood in to report a car travelling the wrong way on the motorway.

2/4 Police are suspicious of a teenaged driver鈥檚 account of an accident.

1/4 A high-speed crash on the M4 closes the motorway in both directions.

4/4 Chris discovers the answers to a head-on crash in electronic data within the car.

3/4 The collision team must find the evidence to prove the real story of a fatal crash.