Desc: Ducobu 3: Directed by Elie Semoun. With Elie Semoun, Émilie Caen, Frédérique Bel, Loïc Legendre. New back to school for Ducobu student. But this year, a major rival for Ducobu arrives at school: "TGV", the king of cheating. The two dunces will have to unite their creativity to win a song contest and save their school.