Episode 19. How do they rescue the crew of a sunken submarine? Leading submarine rescue specialists test the ability of the world's navies to respond to an underwater emergency.
06:24 Outrageous Acts of Psych 1/7s.
Public Displays of Rejection. Check out the hilarious psych behind having your space invaded by a life-size teddy bear, and runway host, and ridiculous close-talker.
06:48 Outrageous Acts of Psych 1/8s.
When Snowmen Attack. Watch what happens when a baby floats away with balloons, a car alarm gets personal, and some tough guys get more than they bargained for.
07:12 Outrageous Acts of Psych 1/9s.
Flash Mob Freak-Out. What would you do if a stranger popped a kid's balloon, and what would you do if a stranger popped you the question?
07:36 Outrageous Acts of Psych 1/10s.
Emotional Support Goat. Discover the hilarious psychology behind pranks and practical jokes as the public are unwittingly put to the test by a collection of experts and tricksters.
08:00 Mythbusters Jr. 1/1s.
Demolition Dominoes. The team tackles two tabletop gaming myths. Is it possible to pull off the impossible Jenga move and can the domino effect lead to a car-crushing catastrophe?
08:48 Mythbusters Jr. 1/2s.
Gravity Busters. The team tests the gravity-defying properties of a child's toy before trying the concept on a car. And, they explore amazing claims about the longevity of a pencil.
09:36 You Have Been Warned 6/3s.
Strangest Things. A look at some of the most mind-blowing footage experts have seen - including see-through animals, algae-powered motorcycles and human sized chickens.
10:24 How It's Made 20/2s.
Horse Bits, Oat Cereal, Turquoise Jewelry. Find out how horse bits, oat cereal, turquoise jewellery, and Electric Scooters are made.
10:48 How It's Made 20/3s.
Nail Nippers, Jade Putters, Ice Cider. Find out how nail nippers, jade putters, ice cider, and water skis are made.
11:12 How It's Made 20/4s.
Stagecoaches, Road Reflectors. Find out how stagecoaches, road reflectors, fire baked pottery, and custom motorcycle tanks are made.
11:36 How It's Made 20/5s.
Replica Clay Pipes, Drinking Fountains. Find out how replica clay pipes, drinking fountains, orange liqueur, and compound bows are made.
12:00 How It's Made 20/6s.
Tissues, Travel Trailers, Slippers, Motorcycle Helmets. Find out how tissues, travel trailers, slippers, and motorcycle helmets are made.
12:24 How It's Made 20/7s.
U-Locks, Teepees, Croissants, Rolling Luggage. Find out how U-locks, teepees, croissants, and rolling luggage are made.
12:50 How It's Made 20/8s.
Prams, Factory-Built Homes, Wood Flutes, Bicycle Tyres. Find out how prams, factory-build homes, wood flutes, and bicycle tyres are made.
13:14 How It's Made 20/9s.
Thinning Shears, Wagon Wheels. Find out how thinning shears, wagon wheels, toaster pastries, and violin bows are made.
13:38 How It's Made 20/10s.
Iron Bathtubs, Hopi Kachina Dolls. Find out how bathtubs, Hopi Kachina dolls, mine truck engines, and memory cards are made.
14:02 How It's Made 20/11s.
1000th Product. More everyday items are put under the microscope, with a closer look at out how cycling shoes, yurts, marine plywood, and encaustic paint are made.
14:26 How It's Made 26/4s.
Steamer Baskets, 3-Wheel Scooters. More everyday items go under the microscope. How are objects including prefabricated conservatories and copper cookware made?
14:50 How It's Made 26/5s.
Mountain Bike Tyres. More everyday items go under the microscope, revealing their production. How are objects including leaf and debris vacuums, canned meat and fillet knives made?
15:14 Mega Builders 4/4s.
New City in Vegas. At $7.4 billion the construction of MGM's new mini-city in Las Vegas is the largest private project ever, including a 61-storey casino hotel and shopping mall.
16:02 Mega Builders 4/5s.
Blockbuster Bridge. Seoul needs a direct link to its island airport. This involves building one of the most ambitious bridges in the world, spanning almost 13km of water.
16:50 Mega Builders 4/6s.
The Big Rig. In Norway, engineers aren't satisfied with building the world's largest oil rig; they're constructing two. Watch this incredible engineering feat unfold.
17:40 Mega Builders 4/7s.
Venice Flood Gates. A plan to install 78 massive gates across the three inlets into Venice's lagoon may save the city from sinking. Watch the mammoth project take shape.
18:30 Man Made Marvels China 3/1s.
Beijing Airport. We get to the heart of Chinas most magnificent engineering breakthroughs and the hurdles overcome. Includes interviews with the experts involved.
19:20 Richard Hammond's Big 1/9s.
Mankind's Biggest Builds. Richard explores elements that engineering projects have in common. And, he reveals how the challenges get bigger when something is built big!
20:10 Blowing Up History 3/7s.
Lost World Of Easter Island. The statues of Easter Island were built by one of the world's strangest and most isolated civilizations. New evidence reveals why they were constructed.
21:00 Blowing Up History 3/9s.
Mystery Of The Cursed Pyramid. Egypt's Bent Pyramid is one of the world's most mysterious ancient mega-structures. Was it intended to look so bizarre, or had something gone wrong?
21:50 Houdini's Last Secrets 1/1s.
The Torture Escape. How did Harry Houdini pull off his death-defying escapes? A team of experts investigate his illusions to reveal the secrets of this mysterious stunt.
22:40 Houdini's Last Secrets 1/2s.
To Catch A Bullet. The bullet catch is one of the deadliest tricks in magic history. A team of experts recreate the famed trick to uncover how Houdini could have accomplished it.
23:30 NASA's Unexplained Files 4/1s.
Pluto's Evil Twin. After NASA's New Horizons spacecraft flies by Pluto, it encounters a mysterious object that shuts down the probe's computers. Experts investigate what it could be.
00:20 Contact 1/3s.
Deep State. Investigating Argentina's most credible military encounter, Paul and Kawa track down an eyewitness and the unexpected presence of NASA.
01:10 Contact 1/4s.
The Real Men In Black. Doubting official reports, Paul and Kawa investigate a UFO crash site in Argentina. Plus, Sarah and Nick track a pattern of low altitude UFOs in Phoenix.
02:00 Contact 1/5s.
Crash Landing. An eyewitness in Kansas reveals photographic evidence of a UFO landing site. Meanwhile, Paul and Kawa disprove an official government account of a meteor impact.
02:48 Contact 1/6s.
Anatomy Of A Cover Up. Analysis uncovers a correlation between UFO sightings and secret government sites. Paul and Kawa track UFO reports and a former CIA witness breaks his silence.
03:36 Contact 1/7s.
Fast Movers, Hostile Intent. The team discovers recent video of a fast-moving UFO, and Nick and Sarah fly to Utah to verify authenticity. Nick and Paul uncover hostile acts by UFOs.
04:24 How It's Made 23/19s.
Sharpening Steels, Bladder Pumps, Ironing Boards, Kayak Paddles. How are sharpening steels, bladder pumps, ironing boards, and kayak paddles made?
04:48 How It's Made 23/20s.
Champagne Hoods, Pneumatic Delivery, Espresso Machines. How are champagne tops, pneumatic delivery systems, espresso machines, and pizza ovens made?
05:12 How It's Made 20/10s.
Iron Bathtubs, Hopi Kachina Dolls. Find out how bathtubs, Hopi Kachina dolls, mine truck engines, and memory cards are made.
05:36 How It's Made 20/11s.
1000th Product. More everyday items are put under the microscope, with a closer look at out how cycling shoes, yurts, marine plywood, and encaustic paint are made.
Alpha Romeo 4C. The How It's Made crew visit the birthplace of the Alpha Romeo 4C, revealing its inner workings and gorgeous exterior.
06:24 How It's Made: Dream Cars 2/2s.
Pagani Huayra. Join the How It's Made crew as they visit the birthplace of the Pagani Huayra, revealing its inner workings and gorgeous exterior.
06:48 How It's Made: Dream Cars 2/3s.
Caterham Seven. Join the How It's Made crew as they visit the birthplace of the Caterham Seven, revealing its inner workings and gorgeous exterior.
07:12 How It's Made: Dream Cars 2/4s.
Bugatti Veyron. Join the How It's Made crew as they visit the birthplace of the Bugatti Veyron, revealing its inner workings and gorgeous exterior.
07:36 How It's Made: Dream Cars 2/5s.
Morgan 3-Wheeler. The crew head to the birthplace of the Morgan 3-Wheeler in England where the car's inner workings and gorgeous exterior are examined.
08:00 How It's Made: Dream Cars 2/6s.
Ginetta G40. Ginetta and Team LNT are synonymous with racing, making headway in auto racing history for decades. The crew head to its birthplace, revealing the inner workings.
08:24 How the Universe Works 6/6s.
Death Of The Milky Way. The Milky Way is dying and scientists are trying to discover what's killing it. Scientists must trace its whereabouts over the past 13.6 billion years.
09:12 How the Universe Works 6/7s.
War On Asteroids. Once thought to be an inevitable disaster, scientists now have the technology to prevent asteroids from hitting the Earth. How are they working to do this?
Episode 3. Justin uncovers the truth behind a catastrophic landslide that wiped out a ski-jump resort in Turkey, before jetting off to Gibraltar to see an airport runway built across a road.
Episode 4. Would you ever believe a skyscraper can melt a car? Justin heads to London's Walkie Talkie building to unearth the science behind this bizarre building blunder.
11:36 How It's Made 25/24s.
Rubber Balls, Motion Chairs. More everyday items go under the microscope. How are common objects including Montreal smoked meats and motorised scooters made?
12:00 How It's Made 25/25s.
Aerospace Fasteners. More everyday items go under the microscope. How are common objects including cactus pear puree and lab reactors made?
12:24 How It's Made 25/26s.
Wall Beds, Sundae Cups. More everyday items go under the microscope. How are common objects including digital paintings, sundae cups and badminton rackets made?
12:50 Storm Chasers 1/5s.
No Rest for the Weary. When Team TIV scores a victory in Reed's own backyard, he vows to chase harder. Tensions within Team Twistex rise as Tim grows cautious while chasing in Kansas.
13:38 Superhuman Science 1/3s.
Episode 3. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
14:02 Superhuman Science 1/4s.
Episode 4. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
14:26 Superhuman Science 1/5s.
Episode 5. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
14:50 Superhuman Science 1/6s.
Episode 6. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
Episode 5. Justin braves the turbulent North Sea as he goes inside an offshore wind turbine to see how engineers are fixing a fault that could cause these structures to fall into the sea.
Episode 6. Justin's in for a bumpy ride as he investigates gigantic potholes in Louisiana. Later, he heads to London to get a sneak preview of London's vast Crossrail project.
16:50 How the Universe Works 6/8s.
Secret History Of Mercury. For four years, the Messenger space probe sent images of Mercury, the solar system's smallest planet, closest to the Sun. Could it threaten life on Earth?
17:40 How the Universe Works 6/9s.
Dark History Of The Solar System. The solar system is different to others in the Milky Way, but it hides a violent past. Scientists examine the clues to reveal its secret history.
18:30 How It's Made: Dream Cars 2/7s.
Lucra LC470. Ever wondered how a Lucra LC470 is made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.
18:55 How It's Made: Dream Cars 2/8s.
Chevrolet Corvette Stingray. Ever wondered how a Corvette Stingray is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.
19:20 How It's Made: Dream Cars 2/9s.
KTM X-Bow. Ever wondered how a KTM X-Bow is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.
19:45 How It's Made: Dream Cars 2/10s.
Tesla Model S. Ever wondered how a Tesla Model S is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.
20:10 How It's Made: Dream Cars 2/11s.
Superformance MKIII. Ever wondered how a Superformance MKIII is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.
20:35 How It's Made: Dream Cars 2/12s.
Koenigsegg One:1. Ever wondered how a Koenigsegg One:1 is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.
21:00 NASA's Unexplained Files 4/2s.
The Black Hole Next Door. When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth.
21:50 NASA's Unexplained Files 3/6s.
Curse Of The Red Planet. Three cosmonauts die mysteriously as they re-enter Earth's atmosphere. Plus, a NASA rover discovers clues that help solve a murder.
22:40 NASA's Unexplained Files 3/7s.
Red Storm Rising. Two astronauts trapped in the vacuum of space face an agonizing death. Plus, the first close up images of Pluto reveal an alien landscape.
23:30 How the Universe Works 6/6s.
Death Of The Milky Way. The Milky Way is dying and scientists are trying to discover what's killing it. Scientists must trace its whereabouts over the past 13.6 billion years.
00:20 How the Universe Works 6/7s.
War On Asteroids. Once thought to be an inevitable disaster, scientists now have the technology to prevent asteroids from hitting the Earth. How are they working to do this?
01:10 Superhuman Science 1/3s.
Episode 3. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
01:35 Superhuman Science 1/4s.
Episode 4. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
02:00 Superhuman Science 1/5s.
Episode 5. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
02:24 Superhuman Science 1/6s.
Episode 6. A selection of the internet's most superhuman viral feats are exposed to scientific analysis from leading figures in the world of physics, chemistry, biology and digital media.
02:48 NASA's Unexplained Files 4/2s.
The Black Hole Next Door. When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth.
03:36 How It's Made 23/21s.
Stile & Rail Doors, Steam Cleaners, Hand-Held Pizzas. How are stile and rail doors, steam cleaners, hand-held pizza, and power brushes made?
04:00 How It's Made 23/22s.
Industrial Casters, Wedding Cakes, THz Spectrometers. How are industrial casters, wedding cakes, tetrahertz spectrometers, and racing catamarans made?
04:24 How It's Made 23/23s.
Ceramic Grills, Pneumatic Punchers, Water Jet Fountains. How are ceramic grills, punching machines, jet fountains, and hollow wooden surfboards made?
04:48 How It's Made 23/24s.
Vibrating Mining Screens, Whoopie Pies, Utility Poles. How are vibrating mining screens, whoopie pies, wood utility poles, and roller conveyors made?
05:12 How It's Made: Dream Cars 3/2s.
Chevrolet Camaro. Picture your dream car - does it look like a Chevrolet Camaro? The crew heads to its birthplace, revealing the inner workings and gorgeous exterior.
05:36 How It's Made: Dream Cars 3/3s.
Porsche Panamera. Picture your dream car - does it look like a Porsche Panamera? The crew heads to its birthplace, revealing the inner workings and gorgeous exterior.