1. Please Don't Be Cow Poop!

Officers track down two suspected narcotics smugglers flying in from London. A passenger arrives with some illegal and foul-smelling items.

2. The Cocaine Preacher

A preacher's wife admits to having cocaine in her luggage. Officers find two plastic dolls stuffed with white crystals in an arriving traveler's bag.

3. What a Trip

Air cargo enforcement officers investigate a major drug-smuggling operation that uses the postal service to export marijuana abroad illegally.

4. It's Not Supposed To Be Sticky

An X-ray of a cargo shipment reveals some lewd contents. Officers suspect a colorful character may be bringing meds to sell at a popular festival.

5. Copy Cat

Officers track down a passenger attempting to smuggle an illicit load. Shoddy construction equipment arrives, signaling that it could be counterfeit.

6. Does Not Compute

Officers inspect an old computer with a secret. A man tries to enter with 50 live fish, but officers know the species is used for illegal fighting.

7. Joint Custody

A man arrives with what looks like multiple rounds of high-caliber bullets. Officers find more than they bargain for in a harmless box of kids' games.

8. The Call of Duties

Officers found chess boards loaded with more than 32 pieces. A couple claiming only half of their international purchases face fines and confiscation.

9. A Hard Pill to Swallow

Officers find a suspicious passport in a video game case. A traveler claiming she has nothing to declare is found with a $200,000 diamond watch.

10. Going Nowhere Fast

A man who has been on the run for 15 years is apprehended, and a traveler is questioned about her connections to the leader of a car theft gang.

11. Operation Shadow Vial

A computer programmer from South Korea says he's coming for work meetings, but officers suspect he's planning to work in the US illegally.

12. Catch 'Em All

A plain-clothes officer in baggage claim finds a passenger acting suspiciously. A woman from Japan accuses officers of assuming she's a prostitute.