National Geographic Channel TV Guide — Thursday, 21 May 2026

Browse the full National Geographic Channel TV guide for Thursday, 21 May 2026. 26 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: Colombia

S1 · E7 · Drunk and Detained Documentary

Drunk and Detained

A busy airport located in Colombia is a central hub for many smuggling efforts, and a look is taken at the endless series of dangerous problems officers face.

01:00 1h

To Catch a Smuggler: Contraband Capture

Beach Takedown Documentary

Beach Takedown

Agents in Puerto Rico intercept a vessel smuggling cocaine into the United States.

02:00 30m

To Catch a Smuggler: South Pacific

S1 · E79 · Swimming in Meth Other

Swimming in Meth

A traveler has the wrong souvenir; swimming in meth; a biker has convictions.

02:30 30m

To Catch a Smuggler: South Pacific

S1 · E81 · Million Dollar Box Other

Million Dollar Box

A smuggler declares grizzly food and an imaginary hotel; clocks are boxed with drugs.

03:00 30m

To Catch a Smuggler: South Pacific

S1 · E87 · Hide and Seek Other

Hide and Seek

A story that doesn't add up; a Christmas rat, and a dangerous baby gift.

03:30 30m

To Catch a Smuggler: South Pacific

S1 · E85 · Not Snow Chic Other

Not Snow Chic

A ship inspection; a poetic application; a cosmetic concealment of cocaine.

04:00 30m

To Catch a Smuggler: South Pacific

S1 · E82 · Earth Witch Other

Earth Witch

Authorities find cocaine in bag linings, a spooky parcel & a forgetful traveler.

04:30 30m

To Catch a Smuggler: South Pacific

S1 · E80 · Amphetamine Gnome Other

Amphetamine Gnome

Tourist has far-fetched plans; garden gnome of meth; a very hairy souvenir.

05:00 30m

To Catch a Smuggler: South Pacific

S1 · E86 · Wine and Windbreakers Other

Wine and Windbreakers

Suspected sex work visa fraud; a wine tourist with too many windbreakers.

05:30 30m

To Catch a Smuggler: South Pacific

S1 · E84 · Biosecurity Beagle Other

Biosecurity Beagle

A distraught passenger with hidden cash and a beagle finds forbidden fruit.

Morning

06:00 30m

To Catch a Smuggler: South Pacific

S1 · E83 · Snowing Meth Other

Snowing Meth

A small snowstorm is found inside a mysterious metal cylinder.

06:30 30m

To Catch a Smuggler: South Pacific

S1 · E88 · Propagating Problems Other

Propagating Problems

A dream trip; hidden cigarettes; plants that could propagate problems.

10:00 1h

Stonehenge: The Final Mystery Revealed

Documentary Special

Seek the truth buried beneath Britain's most iconic stones.

11:00 1h

Lost Cities with Albert Lin

S1 · E6 · Inca Island in the Sky True

Inca Island in the Sky

Albert Lin visits the Peruvian mountains to explore Machu Picchu, and as he explores the Incan citadel, he discovers evidence of people who predated the Incas.

Daytime

12:00 1h

Lost Cities with Albert Lin

S1 · E5 · Petra's Hidden Origins True

Petra's Hidden Origins

Albert Lin travels to Jordan to examine the ancient city of Petra, and as he investigates Petra's origins, he reveals how the city was part of a large network.

13:00 1h

Lost Cities with Albert Lin

S1 · E3 · El Dorado City of Gold True

El Dorado City of Gold

Albert Lin continues his worldwide journey by traveling to Colombia to separate fact from fiction regarding the legendary city of El Dorado.

14:00 1h

Lost Cities with Albert Lin

S1 · E2 · Ghost City of the Pacific True

Ghost City of the Pacific

Albert Lin travels to the Federated States of Micronesia in the Pacific Ocean, where he visits the ancient city Nan Madol to explore its tombs and ritual sites.

15:00 1h

Lost Cities with Albert Lin

S1 · E1 · Fortress of the Knights Templar True

Fortress of the Knights Templar

Host Albert Lin travels to Acre, Israel, to learn about the lost fortunes of the Catholic military order called the Knights Templar.

16:00 1h

Ancient Structures: Secrets Revealed

S1 · E6 · Beyond the Tomb True

Beyond the Tomb

Humans' quest for immortality has birthed monuments that transcend death.

17:00 1h

Ancient Structures: Secrets Revealed