National Geographic Channel TV Guide — Saturday, 25 April 2026

Early Morning

00:00 1h

Drain the Sunken Cities

Science Special

Can science unlock the secrets of the world's sunken lost cities?

01:00 1h

Hidden Beneath the Cities

S1 · E1 · Underground Cities and Secret Chambers Documentary

Underground Cities and Secret Chambers

Scientists uncover a city, a chamber, and a complex, and map a tunnel network.

02:00 1h

Hidden Beneath the Cities

S1 · E2 · Crystal Cathedrals and Buried Bunkers Documentary

Crystal Cathedrals and Buried Bunkers

Scientists uncover salt chambers, bunkers, old kingdoms, and mysterious caves.

03:00 1h

The Rise and Fall of the Maya

S1 · E1 · Origins Documentary

Origins

In June 2020, archaeologists discover Aguada Fenix, a monumental 3,000-year-old Maya structure and uncover the secrets of this ancient monument.

04:00 1h

The Rise and Fall of the Maya

S1 · E2 · Civilization Documentary

Civilization

Archaeologists unearth new evidence about how the Maya civilization grew.

05:00 1h

The Rise and Fall of the Maya

S1 · E3 · Collapse Documentary

Collapse

Archaeologists investigate why the Maya abandoned their cities and unearth surprising new evidence.

Morning

06:00 1h

The Rise and Fall of the Maya

S1 · E4 · Resilience Documentary

Resilience

Archaeologists unearth new clues about the resurgence of the ancient Maya civilization and the devastating events that led them to abandon their cities.

10:00 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.

11:00 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.

Daytime

12:00 1h

To Catch a Smuggler

S4 · E83 · Beagle Brigade Blowout Documentary

Beagle Brigade Blowout

Homeland Security Investigations arrests date-rape drug traffickers; Customs and Border Protection stops a car that is filled with cocaine.

13:00 1h

To Catch a Smuggler

S4 · E82 · Supercharged Botox and Blow Documentary

Supercharged Botox and Blow

Customs and Border Protection and Homeland Security Investigations work together to take down traffickers of coke and marijuana.

14:00 1h

To Catch a Smuggler

S4 · E81 · Guns Gone Wild Documentary

Guns Gone Wild

Customs and Border Protection seizes fentanyl, cocaine and heroin; Homeland Security Investigations in Miami intercepts outbound guns.

15:00 1h

To Catch a Smuggler

S4 · E80 · Bud Bound for Britain Documentary

Bud Bound for Britain

Customs and Border Protection seizes suitcases of drugs bound for the United Kingdom and looted ancient statues.

16:00 1h

To Catch a Smuggler

S4 · E79 · Snitching on Mom Documentary

Snitching on Mom

Homeland Security Investigations arrest a counterfeit passport ring; Customs and Border Protection seizes methamphetamine at a railyard.

17:00 1h

To Catch a Smuggler

S4 · E78 · Meth Hot Chili Peppers Documentary

Meth Hot Chili Peppers

Homeland Security Investigations finds illegal guns in Miami; Customs and Border Protection in Texas seizes meth that is worth millions of dollars.

Evening

18:00 1h

To Catch a Smuggler

S4 · E77 · Blow Aboard! Documentary

Blow Aboard!

American Maritime Officers in Puerto Rico finds cocaine on a ferry; Customs and Border Protection stops travelers with opioids.

19:00 1h

To Catch a Smuggler

S4 · E76 · Meth-Mom Mayhem Documentary

Meth-Mom Mayhem

Homeland Security Investigations arrests smugglers of methamphetamine in San Diego, Calif.; Customs and Border Protection intercepts drug body carriers.

20:00 1h

Ibiza Narcos

S1 · E1 · Disorganised Crime Documentary

Disorganised Crime

Ibiza's reputation as a drugs mecca attracts organized crime groups who seize control of the hash trade initially established by hippies.

21:00 1h

Ibiza Narcos

S1 · E2 · No Sleep 'Til Wednesday Documentary

No Sleep 'Til Wednesday

Ecstasy took over the clubbing scene on Ibiza and authorities responded by clamping down on the drug and traffickers decided to turn their attention to cocaine.

22:00 1h

Ibiza Narcos

S1 · E3 · Giving it the Absolute Big'un Documentary

Giving it the Absolute Big'un

By the early 2000s, cocaine was king, but greed and infighting led to bloodshed, which left behind a dramatically transformed Ibiza.

23:00 1h

To Catch a Smuggler

S1 · E45 · It's Raining Meth Documentary

It's Raining Meth

HSI executes a controlled delivery of ketamine in Queens; Customs & Border Protection recovers stolen artifacts in Miami and finds a shipment of meth at LAX.

Early Morning

Morning

Daytime

Evening

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