National Geographic Channel TV Guide — Sunday TV Listings & Schedule

Browse the full National Geographic Channel TV guide for Sunday, 23 August 2026. 21 programmes listed , including 6 tonight. US listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.

Early Morning

00:00 1h

To Catch a Smuggler

S4 · E42 · Gold Diggers Documentary

Gold Diggers

HSI helps the Colombian National Police take down an illegal gold-mining ring; CBP finds an almost $1.5 million cartel drug haul at the RGV port in Texas.

01:00 1h

To Catch a Smuggler: Secret Stash

Whole Lotta Blow Documentary

Whole Lotta Blow

In this enhanced episode, the U.S. Coast Guard stops over 13,000 kg of cocaine and works with Homeland Security Investigations to detain smugglers.

02:00 1h

To Catch a Smuggler: Secret Stash

Beach Takedown Documentary

Beach Takedown

Agents in Puerto Rico intercept a vessel smuggling cocaine into the U.S.

03:00 1h

To Catch a Smuggler

S4 · E67 · No Rest for the Wicked Documentary

No Rest for the Wicked

HSI in San Diego tracks a suspicious vehicle for 48 hours, leading them to a stash house; CBP meticulously screens outbound travelers at Dulles.

04:00 1h

To Catch a Smuggler

S4 · E66 · These Bedsheets are Dope! Documentary

These Bedsheets are Dope!

United States Customs and Border Protection at Dulles International Airport finds outbound drugs; Border Patrol tracks human smugglers.

05:00 1h

To Catch a Smuggler

S4 · E55 · Not My Meth Documentary

Not My Meth

A mother crossing by car with her kids is caught smuggling cocaine in El Paso, Texas; AMO shoots out the engine of a boat loaded with coke in Puerto Rico.

Morning

06:00 1h

To Catch a Smuggler

S4 · E58 · New Drug on the Block Documentary

New Drug on the Block

HSI uncovers a new street drug during a controlled delivery; CBP finds invasive snails in the mail at JFK and 16 kilos of coke in a bumper in El Paso.

10:00 1h

Drugs Inc.: The Fix

S1 · E25 · Empire State of High True

Empire State of High

As New York City counts down to New Year's Eve, drug gangs shift into high gear in order to meet the extraordinary demand for their products.

11:00 1h

Drugs Inc.: The Fix

S2 · E19 · New Year's High True

New Year's High

As New York City counts down to New Year's Eve, drug gangs increase their workload to meet the high demand for their products; bonus features are included.

Daytime

12:00 1h

Drugs Inc.: The Fix

S2 · E18 · Cannabis Craze True

Cannabis Craze

A close look is taken at how the drug trade is being impacted by new laws concerning the legal use of marijuana; bonus features are included.

13:00 1h

Drugs Inc.: The Fix

S1 · E16 · Sin-Dependence High True

Sin-Dependence High

A North Philadelphia addict sells clean needles; an HIV-positive user tests heroin for wholesalers; a ridealong with two Philly cops.

14:00 1h

Drugs Inc.: The Fix

S1 · E13 · Tennessee Dope True

Tennessee Dope

Nashville's musicians often turn to selling drugs; a meth user covers his costs by cooking and selling it; a task force cleans up after meth cooks.

15:00 1h

Drugs Inc.: The Fix

S2 · E5 · Sili-Coke Valley True

Sili-Coke Valley

The secret drug habits of individuals in California's Silicon Valley are revealed, and cocaine is the most popular drug of choice; bonus content included.

16:00 1h

Drugs Inc.: The Fix

S1 · E4 · Oregon High True

Oregon High

Progressive Portland, Ore., has become a haven for the homeless, and many of them choose drug dealing as an occupation; the police go undercover to stop them.

17:00 1h

Drugs Inc.: The Fix

S2 · E21 · California Coke Wars True

California Coke Wars

A look is taken at the California drug trade as a dealer sells cocaine and a farmer sells coca leaves to the cartel; bonus features are included.

Evening

18:00 1h

To Catch a Smuggler

S4 · E44 · Cocaine Rides in the Crew Cab Documentary

Cocaine Rides in the Crew Cab

HSI runs a human trafficking sting at a Kansas City hotel; CBP in Philadelphia hunts for a passenger suspected of making terroristic threats in the U.S.

19:00 1h

To Catch a Smuggler

S4 · E43 · Meth Magnets and Dirty Money Documentary

Meth Magnets and Dirty Money

Homeland Security Investigations organize money laundering stings; Customs and Border Protection has its largest drug seizure in Los Angeles Airport's history.

20:00 1h

To Catch a Smuggler

S4 · E41 · Fentanyl Express Documentary

Fentanyl Express

Customs & Border Protection in JFK International Airport and San Diego Homeland Security Investigations tackle fentanyl crisis on opposite coasts.

21:00 1h

To Catch a Smuggler

S4 · E40 · Money Dog Documentary

Money Dog

U.S. Customs and Border Protection's K9s sniffs out hidden cash; U.S. Department of Homeland Security Investigations intercepts a $2 million drug deal.

22:00 1h

To Catch a Smuggler

S7 · E1 · Junk in the Trunk Documentary

Junk in the Trunk

A Homeland Security stakeout leads to nearly $500K of meth & fentanyl in San Diego; Customs finds concealed cash and a carload of cocaine at the El Paso border.

23:00 1h

To Catch a Smuggler

S4 · E38 · Asleep on Lots of Coke Documentary

Asleep on Lots of Coke

Air and Marine Operations hunts for a boatload of cocaine; United States Customs and Border Protection finds a hidden body in a trunk.

Early Morning

Morning

Daytime

Evening

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