Border Security: Canada##s Front Line Season 22 is yet to be announced by Seven Network

A Chinese student at the Sydney International Airport says he has nothing to declare to Biosecurity but an X-ray of his bag says otherwise.

The Counter Terrorist unit are on high alert when a passenger makes an alarming claim. An Indonesian woman has a disgusting concealment which could devastate Australia's Biosecurity.

A large-scale operation into the importation of drugs culminates in a dramatic Border Force raid. Border Force officers want to know why a Chinese couple have arrived with piles of undeclared cash.

The stunning conclusion to one of the most dramatic and bizarre busts ever seen at the border. Biosecurity officers make a very unusual and potentially devastating discovery in a package from China.

When officers stop two newly-weds at the border they notice an unusually large amount of luggage. What they uncover could turn out to be one of the biggest busts ever seen at the Border.

When officers stop a woman from Canada, they suspect she's not here for business as she claims. This investigation unravels one of the most elaborate concealments ever seen at the Border.

Biosecurity dog Cody makes a fishy discovery in the bags of a mother daughter couple returning from Vietnam. An x-ray image on a package from Tanzania shows something that looks like a head.

Biosecurity stop a woman entering the country with some extremely dangerous and prohibited goods. A Chinese teacher says he is here for an 11 day holiday but his suitcase is void of clothing.

A passenger has declared only tobacco but it's clear straight away he isn't telling the whole truth. Border Force officers at the Sydney Mail Centre make an interesting find inside hydraulic pumps.

Officers want to know the reason for a French traveller's extremely nervous behaviour. Biosecurity officers find a disgusting concealment in the luggage of a woman arriving from Vietnam.

When a Chinese man is reluctant to answer officer's questions, they soon realise he's covering for a partner in crime. What a man has hidden in his bag could have a devastating effect on biosecurity.

An American man makes a shocking confession in one of the program's most dramatic busts. A strange package from Russia is found to contain an extremely rare and unusual item.

A convicted drug smuggler returns to Australia for the first time since his arrest 15 years ago. A man's false declaration could have devastating consequences for Australia's Biosecurity.

A Brazilian woman arriving from New Zealand is caught with what looks like an implement to snort cocaine. Border Force execute a warrant in search of a Sri Lankan man they think is here illegally.

Go behind the scenes of Australia's customs, quarantine and immigration departments.

Go behind the scenes of Australia's customs, quarantine and immigration departments.

Officers come across a box from Malaysia that seems a little unusual and reveals something frightening. Officer Shane investigates a delivery of chip packets that contain something less than savoury.

A nervous man has brought a bag of tea and coffee which turns out to be much more than a beverage. A couple returning to Australia have a very creepy collection they've brought home with them.

A young designer from LA arrives with a suspicious bag. Biosecurity officers uncover a huge quantity of high risk items in the luggage of a Chinese student.

A nervous man alarms officers. Two Brazilian men claim to be best friends but officers suspect it's a cover for illegal activity. A huge amount of prohibited food shocks Bio Security.

Officers know a male passenger is lying to them, they just need to work out what he is hiding. A grisly package containing animal parts has biosecurity officers on edge.

Two boxes are intercepted containing native shingle back lizards ready to be shipped out of the country. A man is fined heavily for bringing in prohibited meats.

Officers trail a boat with Vietnamese fishermen caught fishing illegally in Australian waters off the QLD coast. Officers discover some marker pens from China with ice concealed inside.

Officers suspect a Brazilian student isn't taking her visa conditions seriously. Biosecurity officers uncover an infestation of live animals with devastating potential.

A Vietnamese student is found carrying an unusual amount of mooncakes, and officers think they're loaded with an illicit substance. An Irish love rat is suspected of working while on a tourist visa.

A nervous passenger gets the attention of officers when a vile stench is detected in his luggage. A Chinese couple try to blame their children for bringing a major biosecurity risk.

Border Force stop a young mother arriving from Vietnam and find her shampoo bottles contain a sophisticated concealment of illicit goods. A package from Ghana contains a gruesome biosecurity risk.

A man arriving from Columbia appears extremely nervous and behaves erratically when his belongings are tested. The Border Force compliance team execute a pre-dawn raid in South Australia.

A major bust by Border Force officers when a New Zealand man is stopped at the Border. Officers are shocked to find an enormous amount of pills when a family are pulled aside for a baggage search.

Drug Detector Dog Rusty puts his incredible skills to the test. A woman arriving from Singapore refuses to open her suitcase when stopped by Border Force and officers want to know what she's hiding.

Border Force Officers patrolling off the Kimberley coast encounter several vessels who may pose a threat. Officers at the mail centre are confronted by a suspicious package.

Officers are concerned when they find drug paraphernalia in the luggage of a young Peruvian woman. An Indian man looks to be lying about his intentions while in Australia.

A group of travellers arrive with an unusual story. Biosecurity officers find a dangerous concealment but things get heated when they are caught red-handed.

A young Australian seems to be up to something illegal and a Chinese couple are potentially hiding something that could have devastating consequences.

Officers are put on high alert when an ex drug addict claims to be trafficking heroin into Australia.

The reaction from a drug detector dog and a positive swab test has officers on high alert. An Italian man is found carrying something that may threaten Australia's biosecurity.

A detector dog leads officers to a family arriving from Cambodia and a massive concealment. Also, a passenger arriving from the middle east causes biosecurity concern when he fails to declare.

A drug detector dog leads officers to three Taiwanese students and the discovery of an inhumane substance in their possession. A Chinese passenger is caught red handed with concerning animal parts.

The Border Force compliance team execute a thrilling pre-dawn raid on a north Queensland farm house as they search for illegal immigrants.

A man arrives from Vietnam with some very unusual items. Biosecurity officers pull aside a woman from China who has a massive amount of high risk items.

The man who set up two elderly Australians is caught at the border. Also, a man is travelling on a Chinese passport which officers believe could be fraudulent.

An unsuspecting elderly couple are found to be carrying a supply of something illegal and possibly deadly. Also, biosecurity catch a Vietnamese couple with a bag full of restricted items.

Authorities are concerned about an erratic Chilean woman, whom they suspect is trafficking drugs. A Malaysian man's bags test positive for traces of narcotics.

Officers are worried that a Chinese national may be a drug trafficker when they discover her unusual movements. A South Korean student is pulled aside over undeclared cigarettes.

Officers spot a traveller behaving very strangely and he acts up when he's caught out breaking the law. Also, a US citizen is detained when officers suspect he's been working unlawfully in the country

A Malaysian man says he's here for a holiday but officers suspect he's here to work. Also, A shipment of water looks to be loaded with an illicit substance.

A passenger travelling with a snow board during summer has officers concerned he's got something hidden inside. Later, a Hong Kong fisherman is found to be carrying live bait.

High Traces of Methamphetamines are detected on an American woman's luggage and officers suspect a pregnant Japanese woman is trying to courier drugs when they see something concealed in her bag.

Officers must establish whether an Indonesian woman is lying or the victim of identity theft. Also, Officers catch a Vietnamese student with a stash of seafood infested by exotic pests.

An American couple admit to using medicinal marijuana at home in California and officers suspect they may be trying to smuggle drugs into Australia.