Nat Geo HD Schedule, Sun, 5 May 2024 (United Kingdom)

Opioid Epidemic: Experts head inside America's opioid crisis for a hard-hitting look at how heroin is tearing lives apart. (3 of 3) Rating: 18+

Triumph TR7: Tim and Fuzz take on one of the most divisive British sports cars ever made - a Triumph TR7. Can the team help make owner Barry's dream come true? 7+. (9 of 10)

The Toilet Farm: After dangerously undercutting their rivals at auction, Danley Demolition crew face a stressful time trying to salvage money from an old boarding house. All ages.

Haunted House Treasures: The crew dismantle a 150-year-old house but things get strange when they uncover creepy cages in the basement and a cryptic message on a wall. All ages.

Chocolate Pretzels & Jam: Follow the trajectory of Welch's Concord Grape Jam, enjoy some grandma-perfected pierogi and sink your teeth into some chocolatey pretzels. U. (S1, ep 20)

McMuffins & Manischewitz: What does it take to make half a million Egg McMuffins a day? Or to be a professional oyster shucker? Or produce a hit kosher wine? Find out here. U. (S2, ep 1)

Satellites: OneWeb Satellites in Florida reveal how they're making the world's first mass-produced satellites, providing internet to almost every part of the globe. (S1, ep 12)

Tractors: John Deere opens the doors to their Iowa mega-factory to reveal how they make the world's most powerful tractors, big machines designed to feed the world. (S1, ep 9)

Teenage Mutant Leopard Turtle: Dr T treats Leo, a tiny leopard tortoise who is having trouble breathing, and Dr K meets Romeo, a Nigerian Dwarf goat who won't pee. RATING: NU12 (S1, ep 11)

Teleshopping.

Mousse Hunting: Discover how bagels get even better with some blueberry cream cheese filling. Plus, why being gentle produces the most delectable lemon mousse cake. (S1, ep 23) RATING: AA

This is Toast: Discover how the American sandwich staple, Wonderbread, is made, and how nutty pecans are transformed into sugary rich pralines. (S1, ep 24) RATING: AA

Lost Graves: Intrepid marine archaeologists shine a new light on graves long lost to the depths, coaxing secrets from their forgotten bones. U. (S5, ep 5)

BMW X3: Explore the high-tech factory where BMW builds its 2nd generation X3s and discover why the prestigious German manufacturers moved the production of this model to the US. RATING: AA

Datsun 240K Skyline: Tim and Fuzz restore Adam's Datsun 240k Skyline, a rare Japanese classic from the 1970s. After a spell of ill health, can they get Adam back on the road? U. (S12, ep 5)

Ford Pop Hot Rod: Tim and Fuzz are off to the home counties, where cerebral palsy sufferer Andy awaits with his highly modified 1955 Ford Poplar and a host of problems. U. (S12, ep 1)

BMW E30 Alpina: With town planner Maz suffering from a serious genetic disorder, Tim and Fuzz work on restoring his iconic BMW E30 Alpina - but is it the real deal? U. (S12, ep 2)

Secrets of the Deadly T-Rex: Explore a unique dig site in America and investigate the mystery of how the T-Rex became king of the dinosaurs. U. (S1, ep 1)

Secrets of the Killer Mega Shark: Delve into the mystery of how the legendary giant megalodon shark took over the oceans. U. (S1, ep 5)

Deadly Directive: The second fatal crash involving the Boeing 737 MAX 8 in five months occurs when Ethiopian Airlines Flight 302 nosedives, killing everyone on board. All Ages. (1 of 10)

Eleven Deadly Seconds: Approaching Taipei in an intensifying electrical storm, China Airlines Flight 676 falls out of the sky, killing all 196 people on board. But why? U. (10 of 10)

Shark's Shadow: A territorial bull shark interrupts Cyril's search for a giant barracuda, herding the team into shallow waters crowded with crocodiles and hippos. 7+. (S3, ep 2)

Triumph TR7: Tim and Fuzz take on one of the most divisive British sports cars ever made - a Triumph TR7. Can the team help make owner Barry's dream come true? 7+. (9 of 10)

DaTgen Man: Revenant Revealed?: A German town is shocked when mutilated human remains are unearthed before proof of human sacrifice is revealed. 12+. (S1, ep 7)

In the chaos of JFK's death, detectives left one bullet unaccounted for, launching tens of conspiracy theories. Now, remastered footage solves the mystery of the third bullet. 12+

What really happens at the world's most secret military base? CIA agents and Area 51 employees reveal all about the previously-classified missions they kept covered up. RATING: AA

Drain the Top Secret Wrecks: Explore the tragic trail of wreckage Pearl Harbour, HMS Prince of Wales and USS Lexington left behind on the ocean floor. Suitable for all audiences.