National Geographic Channel TV Guide — Monday, 20 July 2026

Browse the full National Geographic Channel TV guide for Monday, 20 July 2026. 20 programmes listed , including 5 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

World's Biggest Mako

Nature Special

A team of scientists and a cinematographer search the waters north of New Zealand to find giant mako. They encounter a series of increasingly large mako sharks.

01:00 1h

Mega Hammerhead: Ultimate Predator

Nature Special

A marine biologist closely examines hammerhead sharks to determine why these aquatic predators have been spotted in unexpected waters.

02:00 1h

Perfect Predator

Nature Special

Sharks have evolved over millions of years to become the perfect predator due to their adaptations and hunting strategies, adapting to various environments.

03:00 1h

Shark vs. Giant Croc

Nature Special

Shark experts head into the wilds of northeastern Australia to investigate reports of bull sharks and saltwater crocodiles clashing along the Daintree River.

04:00 1h

Shark Island Showdown

Nature Special

At remote Norfolk Island in the South Pacific, shark experts investigate why tiger, dusky and Galapagos sharks gather here in such high numbers.

05:00 1h

Sharks: Reef Rivals

Nature Special

On a remote island in Australia's Great Barrier Reef, scientists investigate why huge numbers of sharks gather in one dangerous lagoon.

Morning

06:00 1h

Great White Gauntlet

Nature Special

A look is taken at the dangers divers face as they brave great white feeding grounds to find and collect rare sea snails known as abalone.

10:00 1h

Inside Airport Lost and Found

S1 · E7 · Old Photos and a New Student Documentary

Old Photos and a New Student

Airport workers reunite travelers with their missing items, including a collection of old photographs with their owners.

11:00 1h

Inside Airport Lost and Found

S1 · E4 · Diamonds, Costumes and Cash Documentary

Diamonds, Costumes and Cash

Lost-and-found workers desperately try to find the owner of a fanny pack as it contains much-needed medication and $3,000 in cash.

Daytime

12:00 1h

Inside Airport Lost and Found

S1 · E5 · A Pricey Watch and Priceless Pearls Documentary

A Pricey Watch and Priceless Pearls

Airport employees reunite travelers with a pair of ornate Shriners fezzes, a bride's pearl necklace and a $12,000 Jaeger watch.

13:00 1h

Inside Airport Lost and Found

S1 · E11 · Rats, Rings and Regalia Documentary

Rats, Rings and Regalia

A team in Denver and Salt Lake City helps reunite travelers with lost items like Native regalia, a taxidermy rat and a championship ring.

14:00 1h

Inside Airport Lost and Found

S1 · E2 · A Found Family Heirloom and a Lost Eye Documentary

A Found Family Heirloom and a Lost Eye

Airport workers strive to reunite passengers with their lost items including a prosthetic eye, a Gucci bag and a family's beloved Rolex.

15:00 1h

Inside Airport Lost and Found

S1 · E10 · A Cat on the Runway and a Runway Dress Documentary

A Cat on the Runway and a Runway Dress

Airport workers go above and beyond to find a cat who escaped onto the runway upon landing.

16:00 1h

Inside Airport Lost and Found

S1 · E9 · Diamonds, Dinero and Designer Dresses Documentary

Diamonds, Dinero and Designer Dresses

Airport workers find lost items, including a purse with jewellery and a mysterious matching set of luggage stuffed with produce.

17:00 1h

Inside Airport Lost and Found

S1 · E3 · Vintage Jordans and a Mobile Documentary

Vintage Jordans and a Mobile

Travelers are reunited with lost treasures, including an expensive pair of vintage Air Jordans, sweaty boxing gear and a stuffed animal.

Evening

18:00 1h

Inside Airport Lost and Found

S1 · E8 · Rocky the Dog and the Vintage Rackets Documentary

Rocky the Dog and the Vintage Rackets

Airport workers reunite travelers with their missing items, including a collection of vintage rackets and a dog toy.

19:00 1h

Inside Airport Lost and Found

S1 · E6 · A Wedding Watch and a Weighty Wallet Documentary

A Wedding Watch and a Weighty Wallet

Airport workers reunite travelers with their missing items, including a sentimental 40th-anniversary gift and a wallet with $1,500.

20:00 1h

Inside Airport Lost and Found: Lost Luggage

Travel Special

Viewers see what happens to all the lost things at airports, from the weird to the wonderful, including items that are left behind at TSA security checkpoints.

21:00 2h 8m

APOLLO: Missions to the Moon

Documentary Special

Archival footage, audio recordings and photographs are woven together to show a close look at NASA's Apollo program, which landed humans on the moon.

23:08 1h

Apollo: Back to the Moon: Impossible Challenge

Documentary Special

Early Apollo space missions are recapped, from the disastrous flight of Apollo 1 to the successful orbiting of the moon conducted by the crew of Apollo 8.

Early Morning

Morning

Daytime

Evening

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