Where do dragons come from? Mr. Otter disguises himself as a dragon guarding his treasure — salmon!

The amazing story of the ancient Greek engineer who had his best idea in the bath.

How did the search for a malaria treatment lead to synthetic colours?

Few things are more common than a stamped envelope. But even that had to be invented by someone!

The most popular pizza in the world is the margherita. But who invented it?

Mr. Otter is a shepherd on the high plains in Yemen. An agitated goat disrupts the peaceful scene.

The amazing story of the American president who loved bear hunting but couldn't pull the trigger.

How did mankind invent paper? Mr. Otter, a Chinese Emperor's eunuch, and the Little Rascal have the answer.

Mr. Otter recreates the origins of the electric guitar.

Mr. Otter is fishing on the banks of a French river in the 18th century.

Chocolate, the favourite drink of Mayan warriors. Mr Otter and the Little Rascal dress as the Mayas.

Mr. Otter adopts the role of Marco Polo, the great 13th century explorer, and relives some of his "discoveries".

Fact: Chameleons are reptiles. Fact: Chameleons can change their colour. For camouflage but also for other reasons.

Encountering the legendary sultan who drinks nothing but ice water.

How did an onion, popular in 16th-century Constantinople, become the national symbol of Holland?

Mr. Otter explains the suprising history of the bikini. It's a great opportunity to discuss painting, beach sports and…

William Frisbee was a baker who made great, round pies. But it is his round, plastic disks that made him famous.

Generosity is often born of sorrow. Mr. Otter drags us to the battle fields, and to a wounded solider.

What is the Nobel Prize? Who is awarded, and who awards it? And who was Alfred Nobel?

Few know how the mystery of silkworm's cocoon was discovered.

Mr. Otter explains the origins of Capoeira, the Brazilian dance style from the 18th century.

Mr. Otter is Ambroise Paré, the great French surgeon. And the Little Rascal is a small maggot.

Whether you call them potato chips or crisps, everyone loves to eat them — but who knows where they come from?

Mr. Otter helps us understand the panda through the Chinese legend of the crying bear.

Mr. Otter takes the guise of the Earl of Sandwich.

Mr. Otter explains how a simple accident came to revolutionize the science of washing.

Mr. Otter and the Little Rascal disguise themselves as cruel pirates.

Peter The Great has had enough of his traditional beard. Mr. Otter shaves everyone in his path.

Mr. Otter and the Little Rascal decorate a Christmas tree.

Mr. Otter is Jean-Baptiste Lully, Louis XIV's favourite musician.

What are digital fingerprints? And who was the smart policeman with the idea to use them to catch robbers?

The scene is Ancient Greece. Local warrior Mr. Otter faces off with the Little Rascal, his Persian enemy in a battle.

How did English officers reinvent a 2500-year-old game from China by the name of Badminton?

Why should you mount a horse from the left? Why do many countries drive on the left?

How was Swan Lake created? Mr. Otter puts on his tutu and tiara and the Little Rascal plays Prince Charming.

What's the difference between a penguin and an auk?

Buffalo Bill is one of the legends of the Old West. Mr. Otter is thrilled to play the part.

Mr. Otter and the Little Rascal try to poison each other with a deadly drop in each cup...

What does "Going up the Amazon" mean? And who are the Amazons?

The didgeridoo is the oldest instrument in the world.

Explaining the history of the chewing gum — from Mayan warriors to American soliders to the Mexican revolution.

Why is raising one's little pinky a sign of distinction? Mr. Otter must have the answer.

Mr. Otter, a misunderstood painter, explains how to revolutionize contemporary art with a urinal.

Mr. Otter and the Little Rascal explain the origins of the mini-skirt!

Microwave ovens are found in kitchens everywhere but where do they come from?

Mr. Otter and the Little Rascal explain how a little forgetfulness can lead to great discoveries in taste.

Mr. Otter is fascinated by the tales of the Elephants' Graveyard.

The history of roller skates began with a Belgian maker of musical instruments.

Mr. Otter takes us to the American West. He explains how blue dye from another cloth became the most famous trousers.

Are French pastries really Austrian? Mr. Otter is on the ramparts at the siege of Vienna.

Mr. Otter explains how two flight-crazed brothers from France first sent animals into the sky, inspired by a shirt.

Who better to explain the charm of otters than Mr. Otter himself?