Duck Dodgers (Daffy Duck) And Eager Young Space Cadet (Porky Pig) go into a space egg and find Marvin the Martin trying to destroy earth. He sends Duck Dodgers to a monster named Gossamer. Marvin, then, sends a laser to earth. The cartoon ends with the earth exploding. Marvin does the thats all folks, but he says, don't worry folks, it's only a cartoon.