A Gallo-Roman chieftain challenges Vitalstatistix. Meanwhile, a centurion spies on Getafix, who tries to make the magic potion with explosive results.

Cast: Alain Chabat, Gilles Lellouche, Anaïs Demoustier, Laurent Lafitte, Thierry Lhermitte, Géraldine Nakache, Jean-Pascal Zadi, Grégoire Ludig, David Marsais, Jérôme Commandeur, Fred Testot, Jeanne Balibar