Customs is on high alert after finding a mysterious vial of liquid, and immigration officers play a game of he said, she said with a traveller from Columbia.
A businessman from Pakistan keeps his visa history close to his chest, and an American Kiwi lands with a passport that says he's six feet under.
Nolan is on the hunt for fellow cop and former mentor Officer Hawke who goes on the run after assaulting a man.
Nolan, the rookies and their training officers get involved in a competition that pits them against each other. Officer Lucy Chen notices officer Tim Bradford is obsessed with winning at all costs.
The artists are challenged to capture on canvas the portrait of the celebrity sitter.
While investigating a massive dust cloud which could cause ecological disaster, an uninvited visitor appears on the bridge. Berlingoff Rasmussen claims to be a historian from the future studying the Enterprise, but when things start to go horribly wrong he refuses to offer constructive advice.
Seven of Nine disobeys Janeway's order to release a Hirogen hunter in the ship in order to subdue another deadly invader.
After several successful tests using Merlin's device, General Landry sends SG-1 to use the device to protect a village from an aggressive Prior. However, when the displacement field collapses bringing everything back into phase, the team and the village are left dangerously exposed when the Ori attack. Despite being critically injured, Carter is able to escape with Mitchell.
The Atlantis expedition is stunned to learn that a ship full of Ancients is returning to reclaim their lost city.
Suspicions arise when officers locate bags full of designer goods, and biosecurity does not waste a minute fooling around with a Mongolian delicacy in a passenger's luggage.
This episode, Customs officers look closely at a interesting-looking keyboard. Suspicious letters coming in from India have the Mail Centre on high alert.
A nervous traveller arriving from China draws suspicion. A family from the US claim they have nothing to declare - however, on closer inspection, Customs officers find something interesting.
Officers pursue a fleeing vehicle with something to hide, a man manages to have a very high result on his RBT, and another man appears to be hyperactive at the police station.
A man on the motorway inadvertently leads police to a bust and a sheep runs amok causing chaos.
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Officers deal with a speeding groom who has misplaced his wife's wedding dress, a driver decides to make his own licence plates, and a pair of thieves steal caravans.
The officers deal with a rolled car in a ditch, a girl found in a boot, and a meth pipe stored in a glovebox.
A customs investigation stops a massive cigarette-smuggling ring, a woman arriving from Brazil has a ticket to nowhere, and biosecurity officers intercept a man with ants in his pants.
Immigration officers interview a man who matches the description of a suspected drug smuggler, and biosecurity officers say goodbye to a pork pie.