Professor Jack was impatient because his beans wouldn't grow big enough for him. He invented a magic formula in his laboratory, and the next day he was amazed to see a huge beanstalk sprouting up. It grew so big it smashed through his roof and went right up to the sky. The army and the air-force tried to destroy it, but it went up and up into space, and terrible monsters came to live in it. No one knew what to do, and no one knew how to stop the monsters from coming down the Meanstalk and destroying the planet Earth.