"The future. Metropolis is a wonderful city, high above the ground its towers stand. The people prosper, the economy is flourishing, the suspended streets are busy. But Metropolis also has a great secret, so hidden that not even Freder Fredersen, son of founder Joh Fredersen knows about it. He is spending his free time in the Eternal Gardens, when suddenly a woman shows up, with what looks like a class of children. They're from the City of Workers,...

At the Dawn of Man, a group of hominids encounters a mysterious black monolith that is alien to their surroundings. A hominid discovers the first weapon, using a bone to kill prey. The bone is tossed in the air and it's a 21st century spacecraft hovering over the Earth, skipping ahead millions of years in technological development only to imply that man hasn't advanced very far at all psychologically. U.S. scientist Dr. Heywood Floyd travels to the...