They're the boys and girls in blue who keep our borders safe. You won't believe some of the things they find... or where they find them...
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Inspectors have a field day checking through relics entering New Zealand.
An Argentinean with last minute plans is questioned by Customs officers; a drug dog in Queenstown is right on the money; and a suspicious shipment shows all the signs of containing narcotics.
A man with a fake passport tries to get the better of Customs officers; a first time traveller to New Zealand could be heading straight back home; and an exotic shipment causes problems.
Hector comes to NZ to meet more Latin people; A forgotten orange costs a traveler $400; and Titan sniffs out packages like a champ.
A man with a mountain of cigarettes is caught out by customs; there's an exotic arrival at the ports; and drug smugglers use an inventive way to try and get drugs into the country.
A passenger with a stolen ID feels the long arm of the law; a colourful character lands at Queenstown Airport; and LED lights raise suspicion in Auckland.
A Romanian couple are tripped up on the finer details of their plans.
Two passengers planning a one-day stay have suitcases filled with souvenirs; a tricky passenger gives Customs officers a hard time; and dead coral is found in a passenger's bag.
Two suspected fraudsters land into the country; a backpacker's worst nightmares come true; and MPI deal with a rogue cockroach and a crocodile at Auckland International Airport.
Season Final: Customs go rural to bust an illegal operation wide open. A passenger makes a glaring mistake when questioned at the airport and a returning Border Patrol favourite is back on the scene.