TV Guide for Yesterday Friday 10 in Sky Mix

Venice sees an unprecedented plague of jellyfish while in Canada researcher Anawak is getting to the bottom of whale attacks.

Northumbria Police answer a flood of 999 calls, while officers raid a property they suspect is being used by men to exploit young girls.

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

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes.

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes.

Biosecurity officer Jade makes an expensive witchcraft-related discovery, while some suspicious lampshades reach Customs.

Immigration officers discover an attempt to establish a dangerous and illegal business in New Zealand. Customs officers uncover a drugs scam.

A dust cloud wreaks havoc on the Canterbury Plains and the cops sniff out some diesel fraud.

A driver having a little too much fun on a South Island road trip is caught downing beers, and a couple on their honeymoon have trouble keeping their eyes on the road.

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 series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences.

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences.

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.

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.

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes.

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes.

Cameras follow the men and women of the US border protection agencies as they uphold the country's much debated immigration polices.

Cameras follow the men and women of the US border protection agencies as they uphold the country's much debated immigration polices.

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.

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.

Part one of two. Federation rebels are suspected of sabotaging a Cardassian freighter and kidnapping Gul Dukat in protest at a new peace treaty. Sci-fi adventure, starring Avery Brooks.

The Harsesis child Shifu returns, having aged rapidly in the care of alien Oma Desala, and teaches Daniel how to defend Earth from the Goa'uld by giving him genetic memories and sending him on a spiritual journey. Sci-fi drama, starring Richard Dean Anderson, Michael Shanks and Amanda Tapping.

One of the Athosian children accidentally unleashes what appears to be a harmless entity during a game. However, everyone soon begins to realise the mysterious being is anything but innocuous.

Two alien races go to war over a consignment of drugs which one of them desperately needs in order to survive - and the Enterprise crew find themselves caught in the crossfire. Sci-fi drama, starring Patrick Stewart and Jonathan Frakes.

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists.

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists.

Investigating the murder of 35-year-old Zara Aleena who was beaten to death just minutes from her home. The only evidence of the killer was one bloody fingerprint left at the scene.

In 1975, school girl Lesley Molseed went to the shops and never came home. Could one 30-year-old piece of evidence reveal her killer?

The crew members are ambushed by a hostile Klingon when they board a stricken vessel, and find themselves stranded on the floundering ship. Sci-fi drama, starring Scott Bakula and Jolene Blalock.

Cecile recommends stopping fishing off the coast and warning the population against using tap water while the worms are investigated more closely.

There is a tense stand-off as officers try to talk down a man brandishing a samurai sword, while the cells fill up during a busy Saturday night in Newcastle.

The City of London Police tackle crime on the streets of the capital, focusing on the theft of motorbikes.

Following Australia's traffic enforcers as they deal with high-speed chases, defiant hooligans and explosive crashes.