A shipment of meth disguised as concrete is intercepted, and officers interview a Haitian immigrant who has crossed nine countries on foot to reach America.

Cocaine is found hidden inside the wall of a refrigerated truck, and a Honduran immigrant fleeing gang violence applies for asylum in the US.

An armed robber on the run is captured at the border, a drunk driver causes a three-car crash on a bridge, and cocaine is found hidden inside office furniture.

Money and guns belonging to a cartel are found in a car, an illegal shipment of exotic reptiles is discovered in a van, and a man is caught smuggling medication.

A family forced out of Honduras by the gangs, seek asylum in America. At the World Trade Bridge officials search a cargo truck and find a large shipment of marijuana hidden in it, and in a surprise turn of events, on the Brownsville Gateway Bridge, an inspection of an SUV driven by a pregnant mother of two, appears to be a human smuggling operation.

A man fears for his life after being stopped by a cartel in Laredo, clubbers in Detroit are found with drugs disguised in liquid, and officers stop a shipment of frozen rats.

Two 16-year-olds are suspected of smuggling drugs for a cartel. A man tries to enter the US with false documents. Marijuana worth $7million is found inside rolls of carpet.

In Pharr 840kg of meth is discovered in the floor of a truck. Aromatic candles filled with Fentanyl are intercepted at the World Trade Bridge.

A man travelling with two children that aren't his is questioned. A traveller is caught smuggling cash. Officers find drugs in a flat-bed truck.

A woman is suspected of smuggling someone else's baby over the border. Drugs are found hidden in a consignment of carrots. A pill smuggler is caught following an earlier tip-off.

Officers discover the fuel tanks on a truck are full of liquid meth. Three men wearing identical clothing cause suspicion. A man is caught smuggling reptiles.

Two teenage girls are caught smuggling anti anxiety pills, an strange vehicle is found to contain many boxes of drugs and a suspected gang member tries to cross over. In a pickup truck, a high tech coding system, suspected of hiding a drug concealment, poses a challenge for officers.

A young boy arrives at one of the bridges, and his sorry hard luck story seems out of keeping with his new clothes and clean appearance, so Officers must investigate further. After way too much alcohol on an all day bar hop over the border, two sisters are detained after one of them makes the mistake of getting physical with a customs officer.

Vigilant Customs and Border Protection officers uncover 5,000 rounds of ammunition being smuggled across Hidalgo Bridge into Mexico while 200 miles away in Laredo, an elite team prepares for the extradition of a hitman wanted for murder in his home country.

A new recruit fresh out of training school makes her mark when she uncovers 12 kilos of cocaine hidden in a car. Officers on the border bridges are put on high alert for a kidnapped child who police fear has been smuggled over the border into Mexico.

Customs and Border Protection officers think they have spotted a trend when they seize drugs from behind the dashboards of two cars. One load has an ominous symbol that suggests it is the deadly new drug, Fentanyl, that is being concealed. Meanwhile in Laredo a Mexican woman and her children ask officers for protection from her eldest son a recent recruit to the notorious Los Zetas cartel who is threatening to kill his entire family.

A man kidnapped by a drug cartel flees across the bridge into America and a rock band’s tour bus is found to be a front for an elaborate drug smuggling operation. / A family from Venezuela plead with officers to enter America. In Progreso, a suspected drug dealer is caught smuggling pills in his underpants.

Hidalgo bridge is over run by asylum seekers trying to jump the queue, which forces officials to close the bridge. When two bags of sweets are found wrapped in a tarpaulin, Officers suspect something is amiss, and man from Cuba with mother in law problems, is politely informed that he has no grounds seeking asylum because of her.

Thousands of dollars of cartel cash are found hidden in an engine, an intoxicated 17-year-old requires urgent medical treatment, and cocaine is found in bags of rubbish.

Millions of dollars-worth of marijuana is found hidden in a shipment of matresses, and officers detain a mother and daughter who've been smoking meth.

A man wanted for murder is apprehended at the border. Officers discover more than 80 kilos of cocaine hidden inside a tractor trailer.

Officers investigate a collector travelling with parts of a space rocket, and 380 kilograms of crystal meth is discovered in a shipment of limes.

24 kilograms of cocaine are found concealed in the air tank of a truck, and a cache of weapons bound for Mexico is intercepted.

Officers intercept a shipment of hundreds of gun parts headed for Mexico, a nurse is caught smuggling pills in her boots, and a traveller carrying goat meat is inspected.

A tip-off (see previous episode/S05E05) unearths a vast shipment of heroin and cocaine disguised as garbage bags, and officers respond to a medical emergency and deal with a drunken US Marshal.

More than 130 packets of cocaine are found hidden in the seats of a bus, a car explodes in the middle of the bridge, and a retiring officer makes his final bust.

Officers discover fentanyl hidden in the backseat of a car, and two elderly sisters are caught trying to smuggle more than 600 tramadol pills.

Officers make a massive seizure of meth hidden inside fruit crates, a former teacher is taken surprise by a warrant for her arrest, and a Syrian man begs for help.

120 kilograms of cocaine are discovered in the axles of a lowboy trailer, and two men are caught attempting to smuggle a rooster for cock-fighting.

Packages of cocaine are found concealed in the chassis of a bus, officers receive a tip-off about a vehicle loaded with cartel cash, and a magician comes under scrutiny.

A shipment of cocaine is discovered in the fifth wheel of a tractor-trailer, and officers searching a courier van find a cache of firearms.

Officers at Eagle Pass intercept a driver smuggling narcotics over the border, and a group of passengers in Laredo refuse to admit to owning an air compressor full of rifles.

Officers in Progreso detain a man who made a dash back toward Mexico, and the team in Laredo uncovers methamphetamine concealed in a shipment of landscaping stone.

A man wanted for serious sexual offences is apprehended in Progreso, and agents intercept a group of migrants moments after they cross the Rio Grande river.

Officers in Hidalgo seize over 200 kilos of methamphetamine concealed in a car, and the hunt is on in Detroit for invasive insects which could destroy the US timber industry.

Officers find a suspicious compartment within the trailer of a truck returning to Texas, and a man hides over 300 cheap forms of medication about his person in Progreso.