Oct 9, 2023 · 29m
When a man is found dead on a dark mountain road, there’s no sign of a vehicle. With just fragments of debris for clues, the pressure is on to track down the driver that’s fled the scene.


Series going inside the cordon with Gwent Police's dedicated forensic collision investigators, as they deal with serious incidents on the roads.
Browse every episode and jump into details.
Oct 9, 2023 · 29m
When a man is found dead on a dark mountain road, there’s no sign of a vehicle. With just fragments of debris for clues, the pressure is on to track down the driver that’s fled the scene.
Oct 16, 2023 · 29m
An 18-year-old man has died in a head-on crash on a country road. As word of the tragedy begins to circulate on social media, a horrifying tale of recklessness is about to be exposed.
Oct 23, 2023 · 29m
When a motorcyclist dies in a crash at a busy city junction, the race is on to find out how the collision unfolded. A man waiting at a bus stop has a lucky escape after a driver loses control.
Oct 30, 2023 · 29m
As two young children fight for their lives after their family car is hit by a van on the M4 motorway, the team focus on finding the scene evidence to reveal the devastating truth behind this crash.
Quick answers about this season's release timeline and episode lineup.
The Crash Detectives Season 4 premiered on October 9, 2023.
The Crash Detectives Season 4 has 4 episodes.
The season opens with Season 4 Episode 1, "Episode 1". It aired on October 9, 2023.
Go to Season 4 Episode 1