National Geographic Channel TV Guide — Tuesday, 21 July 2026

Browse the full National Geographic Channel TV guide for Tuesday, 21 July 2026. 30 programmes listed , including 6 tonight. UK 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

Border Protection Spain

S1 · E1 · On Patrol 24/7

A routine check has shocking consequences

A routine check has shocking consequences, headquarters investigate a suspicious speedboat and coastguard teams handle a case of alleged domestic violence

01:00 1h

To Catch a Smuggler

S9 · E5 · Guns Gone Wild

CBP San Ysidro seizes a mixed load of fentanyl, heroin and cocaine

CBP San Ysidro seizes a mixed load of fentanyl, heroin and cocaine. HSI Miami intercepts a shipment of illegal firearms headed to the Caribbean

02:00 30m

To Catch a Smuggler

S1 · E8 · Decoys, Diversions, and Drug Busts

HSI investigates a suspicious baggage handler at JFK

HSI investigates a suspicious baggage handler at JFK and uncovers an international criminal organization using airline employees to traffic cocaine into the US

02:30 25m

Primal Survivor

S3 · E6 · Rage Against the River

One-off special. Hazen Audel learns the traditional skills of Lao Loum fishermen

One-off special. Hazen Audel learns the traditional skills of Lao Loum fishermen, and tightrope walks across raging rapids

02:55 25m

Lords of War

S1 · E1 · I Love Cannons

Searching for antique weapons and militaria

Sean Rich and his team of experts travel across America in search of rare and priceless antique weapons and militaria

03:20 25m

Food Factory

S1 · E17 · Positively Pepperoni Pizza

Frozen pizzas, butter, organic mushrooms and quiche

The production of frozen pizzas, butter, organic mushrooms and quiche

03:45 25m

Food Factory

S1 · E18 · Strawberry Shortcake and Goat Cheese

Strawberry shortcake, ground wheat and pickled herring

The production of strawberry shortcake, ground wheat, pickled herring and cranberry-covered goat's cheese

04:10 25m

Exotic Animal ER: Double Dose

S1 · E3 · Enema of The State

A bearded dragon has not been eating, and emergency surgery might be required

A bearded dragon has not been eating, and emergency surgery might be required. A tortoise is run over by a car, and a prairie dog has a chronic upper respiratory infection

04:35 25m

Exotic Animal ER: Double Dose

S1 · E4 · A Prairie Good Dog

A prairie dog has a mysterious bump on her face

A prairie dog has a mysterious bump on her face that could be a hematoma, a rabbit has a stomach obstruction, and a potbellied pig eats a piece of fruit that lodges in her throat

05:00 30m

Teleshopping

Teleshopping.

05:30 30m

Teleshopping

Teleshopping.

Morning

06:00 30m

Teleshopping

Teleshopping.

06:30 30m

Teleshopping

Teleshopping.

07:00 1h

Cruise TV with LoveitBookit

S1 · E183

08:00 1h

Air Crash Investigation

S7 · E4 · Head-on Collision

A collision between two planes at 14,000ft

Reconstruction of the 1996 collision between a Kazakhstan Airlines jet and a Saudi Airways plane at 14,000ft, which destroyed both planes and left no survivors. The resultant inquiry attributed the accident to poor communication inside the first plane and outdated radar equipment

09:00 1h

Air Crash Investigation

S7 · E5 · Operation Babylift

A plane crash during the last days of the Vietnam War

An American plane crash in the last days of the Vietnam War in 1974 that killed more than 250 people, including Vietnamese orphans being airlifted to safety. Investigators had to battle looters in order to safeguard the wreckage, hoping to determine the cause of the disaster

10:00 1h

Rocky Mountain Railroad

S1 · E1 · Avalanche

The ongoing battle to keep Canada's freight and passenger trains rolling

Following the resilient crews who battle ferocious weather and treacherous terrain to keep Canada's critical freight and passenger trains rolling, serving the nation's isolated mountain communities

11:00 1h

Car S.O.S.

S12 · E8 · VW Golf GTI Mk 2

Fuzz Townshend and Tim Shaw fix up an iconic 1989 Golf

Fuzz Townshend and Tim Shaw help Darren, who was left disabled after a tragic road accident in which he saved his grandson, by fixing up his iconic 1989 Golf

Daytime

12:00 1h

Inside Airport Lost & Found

S1 · E7 · Old Photos and a New Student

Airport workers reunite travellers with a collection of old photographs

Airport workers reunite travellers with their missing items, including a collection of old photographs

13:00 1h

Air Crash Investigation

S21 · E6 · Terror Over Michigan

A Boeing 727's near-fatal nosedive over Michigan

After a Boeing 727's near-fatal nosedive over Michigan, investigators risk their own lives to determine why the plane fell out of the sky

14:00 1h

Secret Nazi Science

S1 · E8 · The Nazi Empire

Nazi architects' designs for cities of the future

Nazi architects' designs for cities of the future, drawing inspiration from great civilisations of the past and concealing an ideology of oppression

15:00 1h

Unmasking the Killers of the Third Reich

The radicalisation of a group of young men in the Nazi concentration camp system

Documentary following the story of a group of young men who were radicalised as followers of Hitler in the 1920s and went on to play a vital role in the Nazi concentration camps

16:00 1h

Colosseum: Rise and Fall

S1 · E1 · Origins

The history of Rome's famous arena

New discoveries and cutting-edge research reveal the history of Rome's Colosseum and its intricate relationship with the empire that created it

17:00 1h

Drain the Oceans: Thai Cave Rescue

S2 · E9 · Thai Cave Rescue

The first accurate 3D survey of the Thai Cave where 12 boys were trapped in 2018

A 3D survey of the Tham Luang cave system in Thailand, offering fresh details about how the 12 boys were rescued from the cave after being trapped in 2018

Tonight's Highlights

18:00 1h

World War II: The Apocalypse

S1 · E2 · Collapse of France

The truth behind France's defeat

The truth behind the defeat of France, featuring footage of German soldiers celebrating on the beaches of Dunkirk, and French civilians fleeing the Nazi advance

19:00 1h

Air Crash Investigation

S16 · E7 · The Lost Plane

A plane is found in a mountain range miles from its flight path

Experts are baffled when the wreck of Thai Airways Flight 311 is found amid treacherous mountain peaks, miles from its flight path

20:00 1h

Mega Marine Machines

S1 · E4 · Tug o' War

Engineers redefining the tugboat for a new era of global trade

A look at Sanmar Shipyards in Altinova, Turkey, where engineers are redefining the tugboat for a new era of global trade, testing whether electric power can match diesel strength

21:00 1h

Construction Fails

S3 · E4 · Hidden Flaws

Why the only Bangkok building to collapse in an earthquake was the newest one

Investigators try to work out why the only Bangkok building to collapse in an earthquake was the newest one. Plus, a devastating Danish fire and a deadly wind from a tall tower

22:00 1h

Disaster Autopsy

S2 · E1 · Critical Flaw

A look at the critical flaws involved in three disasters

A look at the critical flaws involved in three disasters, examining the crash of a Boeing 737 Max, the capsizing of the Kielland oil rig, and the Notre-Dame Cathedral fire

23:00 1h

Air Crash Investigation

S24 · E1 · Pacific Ditching

Wreckage from a crash contradicts the pilots' explanation

The pilots of a crashed cargo jet believe they lost both engines. But when the wreckage emerges from the Pacific, the evidence tells another story

Early Morning

Morning

Daytime

Tonight's Highlights

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