The expedition to study the Yrr sets out for the Arctic, where a large number of Yrr signals were spotted. During a trip by submarine, Charlie Wagner observes a magical sight

Bonfire night brings back-to-back emergency calls, as masked youths hurl fireworks at officers out on patrol and a search for a missing girl takes an unusual turn

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

Follow Australia's traffic enforcers as they face high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers.

Follow Australia's traffic enforcers as they face high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers.

A troublesome taxi driver keeps customs officers and the police busy, while some solar lights arrive supercharged with drugs

Biosecurity New Zealand finds a hidden haul. Customs officers find a picture worth a thousand words - and tens of thousands of dollars

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand.

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand.

A chance for viewers to purchase goods from the comfort of home

A chance for viewers to purchase goods from the comfort of home

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

Text messages create suspicion about a traveller's intentions, and a European visitor makes a surprising admission about his past

Air cargo officers discover a suitcase packed with surprises, and a traveller turns on the charm at Vancouver Airport

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

A marijuana user crashes his motorbike into the back of a car, a learner finds his vehicle is too much to handle and a mishap causes a man to lose his teeth

A driverless car crashes into a house, a drink driver is pulled over and a speeder accepts his fine with a bit of humour

Reality series charting the work of US Customs and Border Protection agents, responsible for acting as the first line of defence for air, sea and land entry-points to the US

Reality series charting the work of US Customs and Border Protection agents, responsible for acting as the first line of defence for air, sea and land entry-points to the US

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

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

More than 20,000 people enter Australia every day be sea and by air. Fly-on-the-wall footage captures the planning and implementation of large scale operations such as major drug and weapons busts, as well as the discovery of strange and bizarre objects people try to smuggle into the country

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Bareil and Wynn compete to be elected as Bajor's spiritual leader. Starring Avery Brooks and Rene Auberjonois

The team members revisit a planet they helped free from Goa'uld enslavement, only to find that Cronos is out for revenge and their assistance is needed once again. Sci-fi drama, starring Richard Dean Anderson