Martin Mystery

Martin Mystery is a French/Canadian animated television series. It is produced by the French company Marathon Media and the Canadian animation studio Image Entertainment Corporation. The series is based on an Italian comic strip. The series ran from 2003-2006. The series has 66 episodes and 3 seasons. The show is on Canal J in France and on YTV in Canada.
Plot.
Martin Mystery and his stepsister Diana work at The Center, an organization that protects Earth from aliens.