In this episode, an American builder seems to think visiting the Customs red zone is a joke, a very sneaky concealment inside lithium batteries, and some serious biosecurity breaches at the border.

In this episode, customs and Immigration stop a man wanted by Fijian Police, a colourful Kiwi arrives home with gold, silver and diamonds and a fight against organised crime at the Ports.

Tonight border officials confront an Aussie with a shady past in the Customs Red Zone and paintings at the mail centre that are more than just cardboard and paint.

Travellers with no idea of New Zealand's drug laws, a South African woman claiming a long distance love affair, and highly questionable security cameras carrying more than lenses and circuitry.

Cocaine users open up about their drug use at the border, a suspicious bottle of detergent at the International mail centre and some high-risk visitors fly into Queenstown.

A playful French Doctor tries it on at the border in Queenstown and lethal weapons at Christchurch Airport.

A bible containing more than the word of God is found by Customs in Christchurch, a tour guide shows border staff around his makeshift tobacco importing ring in Queenstown.

A Mexican chef's phone messages give his dealings away, a Chinese businessman with truth issues and a couple Kiwis return home with some questionable trophies.

A Canadian woman attempts to smuggle a live cat across the border, a Dutchman is caught with a serious quantity of Cocaine and a consignment of vehicles are checked at Hampton Downs motorsport park.

New Season: A young Brazilian woman finds herself and her bag full of tricks in the Customs red zone and a plane load of Ukrainian Fishermen are checked at the border.