How Do They Do It? Season 16 Episode release dates & where to watch

1. Peppermint Oil, Tennis Rackets, Desalination

How does one family in America make three quarters of the world's peppermint oil? Also, how do they make state-of-the-art, performance-enhancing tennis rackets?

2. Trombones, Wineskins, Peat Beauty Cream

How do they make a trombone? How do they make traditional Spanish wineskins? And, how do they turn smelly muddy peat into rejuvenating face cream?

3. Surfboards, Satchels, Butter

Over 35 million people love to surf, so how do they make the perfect board for catching waves? Plus, the world eats 10 million tonnes of butter a year -...

4. Horse Transport by Air, Chess Sets, Food Photography

Top race horses are given VIP treatment to get to their new owners, how are they transported? Plus, what creative methods do they use to photograph food?

5. Stainless Steel, Combination Locks, Indian Jaggery Sugar

Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?

6. Geoduck Clams, Vintage Steam Trains, Water Polo Hats

Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?

7. Bufori Cars, Sport Whistles, Spanish Paprika

How do they build one of the world's most exclusive luxury cars? How do they make a referee's whistle that can be heard above 50,000 screaming fans? How they make...

8. Pile Drivers, Cricket Bats, Folding Hand Fans

How do they turn English willow into cricket bats for India's top players? How do they craft stunning hand-made Spanish fans? And, how do they build foundations for tall buildings?

9. Tractors, Cow Bells, Street Lights

How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows?

10. Birds Nest Soup, Rowing Oars, Castanets

How do they collect millions of real birds' nests to make birds' nest soup? How do they use aerospace technology to make rowers go faster? And, how are castanets made?

11. Turbo Chargers, Plastic Roads, Kites

How do they quadruple the power of the world's biggest engines with the world's most powerful turbochargers? How do they build new roads from old waste plastic?

12. Boat Sails, Military Swords, Children Car Seats

How do they harness the wind to power a racing yacht to Olympic gold? Plus, how do they make a sword fit for an officer at the world's largest sword...

13. Marshall Amplifiers, Clay Garden Pots, Book Rebinding

How do they make the amplifier used by rock legends, the famous Marshall amp? Plus, how do they turn wet clay into frost-proof garden pots?

14. High Rise Window Cleaners, Jigsaw Puzzles, Field Hockey Sticks

How do they keep the world's tallest twin towers clean? How do they make a jigsaw where every piece is unique? And, how do they craft Olympic level hockey sticks?

15. RV Motorhomes, Lollipops, Ballet Shoes

How do they fit all the features of a luxury apartment into a motorhome? And, how do they make a ballet shoe that can take the weight of a dancer...

16. Mushroom Farming, Map Making, Medical Gloves

How do they grow nearly 200,000 tonnes of mushrooms a year in the mushroom capital of the world? And, how do they make billions of life-saving gloves?

17. Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics

How do they mine a million tonnes of fertiliser from below the sea? And, how do they hand print millions of colourful clothes using the ancient art of batik?

18. Basmati Microwave Rice, Automaton Singing Bird Boxes, British Life Guards Uniforms

How do they turn thousands of tonnes of basmati rice into millions of microwaveable meals? And, how do they craft beautiful mechanical singing birds?

19. Hearing Aids, Elizabeth Line Trains, Shadow Puppets

Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?

20. Remote Controlled Submersibles, Steiff Teddy Bears, Indian Cheese Paneer Finale

Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?