Summary of episode 18 (season 2)

Documentary: the great wall of China, more than 600km long, built under many emperors by more than ten million people.
Kokapetl's Scoop: smoke signals, alarm system for Chinese soldiers in case of attack, along the great wall .

Characters (in order of appearance): Tao, Zia, Esteban, Kokapetl, Papa Camayo, Shaolin Grandmaster, Pedro, Sancho, Ambrosius, Mendoza, Li Shuang.

Synopsis: Hadrien Soulez Larivière
Scenario: Éric-Paul Marais
Documentary: Jean-Luc François
Storyboard: Frédéric Vervisch
Art director: Fernando Lira
Assistant director: Régis Didry, Fernando Lira