Dodgers and Cadet must retrieve a baby philosopher to save a peace conference. When Martians kidnap the baby, Cadet gives chase while Dodgers disguises himself as the baby to prevent war.

Drake Darkstar, an evil Duck Dodgers doppelganger, steals Dodgers' identity to escape incarceration. When Dodgers escapes from prison and arrives on his own spaceship, he must prove to Cadet that he is the real Duck Dodgers.