Sky Witness HD Wednesday

The emergency helicopter teams race to the rescue when a car plummets 30ft into a ravine in rural Oxfordshire and a jockey suffers an open leg fracture after falling off her horse

Follow the work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders.

Follow the work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders.

The work of officers of the Canada Border Services Agency as its staff enforce customs, quarantine, immigration and finance laws

The work of officers of the Canada Border Services Agency as its staff enforce customs, quarantine, immigration and finance laws

Officers attempt to maintain control of crowds at football matches

Fly-on-the-dashboard documentary showcasing outrageous road disasters, captured in video form by drivers' in-vehicle dashboard cameras

Gunshots at a football game create chaos and the police deal with a situation involving a woman with cancer who has illegal drugs

Jubal's longtime confidential informant brings intel of an impending large-scale terror attack to the team, but when the details don't add up, Jubal must sift out the truth

When a gunman opens fire at a homeless shelter in Astoria, the team is led toward a killer with connections to a Mexican cartel

The team hunts for an arsonist on Valentine's Day, while Celina thinks Miles's recent string of bad luck is the result of a curse and she is determined to break it

Danny and Baez investigate a homicide with the help of Baez's former partner. Eddie and McNichols investigate a school's discriminatory practices

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Officials question an Italian tourist about his travel documents, an anxious passenger arouses suspicion, and quarantine officers are faced with two angry Americans

A girl returning from New Zealand is questioned by immigration officers, and two Japanese tourists are suspected of smuggling wildlife

Customs question a man who claims to be visiting his internet lover, and officers launch an investigation into illegal fishing

Airport security staff discover a hoard of deadly weapons, and a Korean man is caught using someone else's passport

Officers question a man suspected of carrying drugs in his luggage, and a man with poor personal hygiene is sent back home to Prague

Outrageous road disasters and highway hijinks, captured in video on people's in-vehicle dashboard cameras

An apparently routine call-out to a reported minor fire turns dangerous when the Station 42 team discovers the threat is far greater than dispatch indicated

The team investigates a bomb threat on a plane flying from New York to Athens that is forced to land in Morocco

The president visits Los Angeles and the LAPD teams up with the secret service to ensure his safety. Meanwhile, Miles's instincts are tested and Tim takes on a new role

The team is called in to track down a serial killer after the bodies of multiple women with the same physical description are found scattered across the city

A park ranger is shot dead by a masked assailant and the team discovers a string of connected crimes that leads to an online conspiracy theory community

Colin and Bill race to stop a company from covering up an intelligence theft, while also taking down a dangerous person from Colin's past

Police officers use unmarked cars fitted with on-board video cameras, offering an insight into vehicle crime and how it can be prevented

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway

Focusing on the work of the City of London Police as they tackle crime on the streets of the capital

The team comes to the aid of a motorcyclist who has crashed into a minibus and a 16-year-old boy who has suffered a major head injury after falling from his bike