S02:E124 - Nineteen Ninety Nine Popcorn Trip
24 min
Professor Pancho has devoted his life to solving the problem of food supply. He and his wife have conceived of a popcorn machine in the U.S. that can increase the quantity of corn by a million times, but producing the actual mechanical device will cost them a fortune. Lupin decides to help them out and invents a rocket that flies on corn fuel, thinking that maybe he and Fujiko will take a trip to the moon...

Season 2