Season 4

In Denver, a wayward driver nearly destroys her car trying to get out of a tight spot; an out-of-control semi in Utah wreaks havoc; in Scotland, a fender bender becomes violent; a motorcyclist in Michigan is pursued by a road raging driver.

An angry driver upsets residents when she refuses to stop honking her horn at a parked car; a military veteran opens fire at another driver after a collision.

A Wisconsin driver melts down over a $10 seatbelt ticket; a fender bender in Indiana leads to punches and gunfire; in San Diego, an attempted carjacking is thwarted by a group of bystanders.

In Florida, a road rage dispute turns violent; a misunderstanding between cyclists and bikers in Australia causes a heated clash; in Albania, an angry restaurant owner clings to the hood of a car as he smashes through the windshield.

In Queens, New York, a car owner attempts to drive off a tow truck's boom; on Long Island, a large family brawl breaks out in the middle of the street after a major collision; a postal worker in California is pinned between two vehicles.

A road-raging Dekalb woman launches a hair-pulling attack in the street against another female driver; in Illinois, an ATV rider appears to be followed across open terrain by a disgruntled man in a pickup.

A motorcyclist encounters a young driver whose car is on fire but who refuses to call authorities; in the United Kingdom, a biker and a motorist exchange words and hands at a roundabout.

In Nebraska, an SUV runs into a sanitation worker whose truck blocks its way; a driver in Las Vegas falls out of his vehicle while doing donuts in a parking lot; in Los Angeles, a stolen utility vehicle goes on a wild rampage.

A motorcyclist in California engages in a dangerous pursuit of a suspect who allegedly committed a hit and run. A street fight between commuters in Canada takes an unexpected turn. An Oklahoma trooper at a traffic stop is brutally blindsided. In China, a chemical tanker and a fuel truck prove to be an explosive combination.

A crossing guard in Pennsylvania gets in a fight with an impatient motorist. In Texas, a four-car pile-up leads to a stabbing on the freeway. An exploding manhole cover in Thailand launches a motorcyclist into the air. In Florida, a jet makes an emergency landing on a three-lane highway. Climate protesters blocking Burning Man traffic are confronted by authorities.

A driver stumbles through a field sobriety test; saving an unconscious driver who crashed

In Texas, an ex-convict risks his life to save a wounded officer during a freeway shootout.

A woman is dragged by a car along a highway; a construction truck's raised crane wreaks havoc.

After a pursuit in New Mexico, police are surprised by whom they find in the vehicle.

A mother in New Mexico clings to her car as a thief takes off with it with her children inside.

A shoplifting suspect takes off in a police vehicle, triggering a pursuit.

A motorcycle rider on a freeway in L.A. goes head over heels after slamming into stopped traffic.

A traffic stop in Florida goes off the rails when a CEO loses his cool with an officer.