How many movies have Pierre Tchernia and René Goscinny collaborated on?

They have worked on 12 movies together! Their first movie together was Deux Romains en Gaule (1967) while their highest rated movie together was Asterix & Obelix: Mission Cleopatra (2002). They have not worked together since Asterix at the Olympic Games (2008). They are most known for their comedy films together.