Lionel, Michel, and Juliette take a stroll down the Rue des Capucins, named after the Capuchin monastery once located there. They also discuss some of Marsal's native plants, which have a high salt tolerance.

Did you know that parts of France and Germany were underwater millions of years ago? Learn more about this and other surprising facts at the Marsal Salt Museum.

We continue our visit to Marsal and learn more about the importance of salt throughout the region. Many there have benefited from the exploitation of salt throughout the centuries, including the Church, which built many churches that we still see today.

Michel guides us back to the time of Louis XIV, who took the town of Marsal in 1663. Find out why.

We conclude our visit to Marsal with a few comments from Michel, who shows us a stone marking the passage of a Roman emperor in Marsal in the first century AD. And Lionel has a few salty expressions in store for you...

Moving on from the salt mines of his previous episode, Lionel goes to Réchicourt-le-Château to learn about the locks and waterways of the area.

The lock in Réchicourt-le-Château holds a record in France. Find out what it is!

Lionel takes us inside the control room where locks are filled and emptied with an intricate system of drainage and supply valves. You'll learn a lot of technical vocabulary in the process!

Afraid of going to the vet for a toothache, Croqueur the crocodile has disappeared! Will the other zoo animals be able to find him?

Croqueur is waiting to be rescued by his animal friends, who only have one night to perform this miracle. Will the rescue operation be a success?

Croqueur the crocodile is undergoing psychoanalysis to help him find his true predatory nature. The fact that he was raised by a sweet ostrich doesn't help...

Croqueur has a tough decision to make. He can choose to escape the zoo and face the unknown or stay and learn to do his job scaring little children to avoid turning into a fashion accessory. Will he pluck up the courage to decide?

There's panic at the zoo, as a baby has gone missing. But the lion doesn't seem too upset about it...

Loupia is taking care of the starving baby human, and she needs to find some milk for him. Who will help her?

The whole zoo is on high alert as the humans look for their missing baby. But Loupia doesn't want to give him up.