Journey into Maths Country poster

TV series

Journey into Maths Country

20212 seasons8.5 / 10

Math is an exotic and confusing country. We speak a bizarre language, full of homeomorphisms, differential varieties, transfinite numbers. But we also find epic landscapes, dizzying ideas and even, sometimes, useful things!

Availability

Not streaming in United States

Checked Jul 25, 2026

Journey into Maths Country premiered September 23, 2021. We don't have a confirmed streaming, rental or purchase option yet.

Synopsis

Math is an exotic and confusing country. We speak a bizarre language, full of homeomorphisms, differential varieties, transfinite numbers. But we also find epic landscapes, dizzying ideas and even, sometimes, useful things!

Season 2 episodes

Choose an episode, then use the watch options above for the show.

← Season 1

Episode 1

The Monty Hall Problem

10m

The Monty Hall paradox, named after a game show from the 60s, concerns the way in which information acquired during the course of a game modifies (or not) the winning statistics. Theoretically solved, the question is so disturbing to our worldview that it continues to be the subject of passionate debate to this day.

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode 2

Simpson's Paradox

10m

Statistics seem, almost by their very nature, to convey a positivist message. They are, in fact, a formidable tool in the attempt to master the complexity of the real world... But numerous "biases" threaten any discourse that refers to them without care: an over-simplistic reading of the figures can lead us - for example - to confuse correlation with causation... And more complex phenomena (notably Simpson's paradox) can distort conclusions that seem objective.

Where to watch Journey into Maths Country

Episode 3

Non-Euclidean Geometries

10m

For centuries, geometry was based on Euclid's postulates, which seemed eternal and irrevocable. However, one of the postulates (the fifth) has always seemed "a little less natural" than the others, and hundreds of mathematicians have tried in vain to do without it by deducing it from the other postulates. In the mid-19th century, Bernhard Riemann came up with a novel idea: let's imagine it's false! This was the birth of "non-Euclidean geometries", which would later have major applications in physics.

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Episode 4

Planar Tessellations

10m

A tessellation is a way of covering a plane with a repeating pattern... Basically, it's like creating wallpaper. In 1975, Marjorie Rice (1923- 2017), a mother and amateur mathematician, read an article by Martin Gardner in Scientific American that listed ALL possible "pentagonal tessellations" in the plane. A mathematician had just proved that the list was complete. Except that Marjorie, working alone at home, found 4 new ones... The theorem was wrong!

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode 5

Graph Theory

10m

The question is how to make a network that is both "economical" and "robust" without taking up too much space. This is a theoretical question worked on by the great Russian mathematician Andrey Kolmogorov (1903-1987). But this theoretical question also conditions the way in which we can build a computer network or... a human brain: to be intelligent without having a big head, you need a neural network that is efficient BUT ALSO compact! Mention Szemeredi lemma?

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Episode 6

Alicia Boole in the Land of Polytopes

10m

To begin with, there are the five "Platonic solids" beloved of geometers: the cube, the tetrahedron, the octahedron, the dodecahedron and the icosahedron. But why stop at the 3 dimensions of ordinary space? Alicia Boole Stott has devoted her life to finding regular solids in dimension 4... and she's found them! A journey into unsuspected mathematical regions.

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Episode 7

The Kepler Conjecture, or How to Store Your Cannonballs

10m

When mathematics tells us the best way to stack oranges... Formulated in 1611, Kepler's conjecture was finally proved by Thomas Hales... in 1998! Using computational methods unorthodox for his colleagues. The certification of mathematical demonstrations is an arduous and tedious process.

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode 8

Chaos Theory or Order in Disorder

10m

Can the flap of a butterfly's wings in Brazil trigger a tornado in Texas? Behind Edward Lorenz's all-too-famous question lies a mathematical theory of things we'd never imagined before belonged to the land of maths: complex systems like those that describe the weather, or even... human affairs!

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode 9

Kovaleskaya's Spinning Top or The Best Way to Spin

10m

How do you model the movement of a potato in space? Many a mathematician has struggled with this question. At the end of the 19th century, mathematician Sofia Kovalevskaya finally obtained an important result for determining the motion of a solid around a fixed point, thanks to a very special spinning top. A little expedition to the heart of integrable systems, even if it's a bit dizzying...

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode 10

Entscheidungsproblem: The End of Mathematics?

10m

Imagine a world where a machine could calculate true and false... Failing that, Church, Herbrand, Gödel and Turing each tried in their own way to determine whether an algorithm could decide whether or not a mathematical assertion could be proved. The Entscheidungsproblem, the decision problem that rocked maths and, in the process, laid the foundations of computer science.

Episode credits

Directed by Denis van Waerebeke

Where to watch Journey into Maths Country

Episode information updated Jul 25, 2026

More about Journey into Maths Country

Cast

Denis van WaerebekeNarrator (voice)

Production details

Status
Returning Series
Series type
Documentary
Episodes
20
Original language
French
Original title
Voyages au pays des maths

Networks & production

  • arte.tvFrance
  • Les Films d'IciFrance
  • ARTE GEIEFrance
  • Le BlobFrance
  • Les Films du poisson rougeFrance

Themes

mathematicianmathematicspopular science