Adrien will tell you everything about the Paris metro, which opened its doors in nineteen hundred for the World's Fair. It carries an impressive five million passengers per day and is one of the busiest underground systems in the world.

Are you a first time Yabla user? Manon and Clementine will walk you through the program and show you how easy it is to use.

Fabrice is still baffled by the strange and hostile atmosphere at the office. Meanwhile, Patricia's undermining work is bearing fruit.

Barbara goes to visit her aunt in the country but gets quite frustrated when there is no phone signal. She's waiting for a text message from Gaël...

Fabrice is totally blindsided by Olivier's about-face. He goes from being promoted to being demoted to a lower position. And the tension in the office is palpable. What is going on?

Alca decides to avenge himself and tell the truth about Talar and Léon. But what is the dark secret he's been hiding?

Patricia reveals bombshell news to her boss about Fabrice, who has no idea about the insidious rumors circulating about him.

Isabelle fancies herself as a gourmet cook, but Barbara is not impressed, and neither are the judges of the Cuisine Monster show. Veal nostrils and a medley of roasted kidneys on a bed of beets, anyone?

Patricia overhears a phone conversation between Fabrice and his partner and can't believe her ears. She's eager to tell Élodie about it.

Alca, who's trying to finish the zoo's annual budget, reluctantly agrees to steal some food for Léon and Thalar. Unfortunately, he gets caught...

Fabrice's new promotion triggers the unbridled jealousy of a colleague who feels overlooked. Will he be able to survive her slanderous rumors and make the truth prevail?

Patrice and Sophie reminisce about their summer vacation. They both feel refreshed and are very pleased.

In the second part of this interview, Marie de la Place discusses what will happen to the Olympic Village housing facilities after the games. Will they benefit the local population of Seine-Saint-Denis, or will they lead to gentrification?

Alca begs Léon and Thalar for mercy as they take a cruel pleasure in ridiculing the poor penguin to punish him for his wrongdoing.

A journalist interviews Marie de la Place, professor emerita of urban planning at the Paris School of Urban Planning, about the legacy of the Olympic Games. Besides French medals, how will the Paris region benefit in terms of infrastructure? What will be the long-term effects of this massive investment in the games?