Overused plot lines: Post-cataclysmic rag-tag armies struggle to kick the Rooskies out of the good ol' US of A. Post-cataclysmic rag-tag armies struggle to survive against gangs of bandits, mutants, cyberpunks, bikers, etc. The rag-tag rebel army/fleet struggles valiantly to overthrow the Evil Empire. The Good Guys travel through time to stop a historical Bad Guy, usually Hitler. The Bad Guy travels through time to kill the Hero in his childhood, or prevent him from ever being born. The Chronocops travel in time to catch a Bad Guy who escaped into some other era. Scientists work feverishly to develop a cure for the Supervirus or a weapon to stop the Invincible Bad Guys. An alien: Is stranded on earth; Befriends a human child or falls in love with an earth gal; Is pursued by shadowy malevolent Pentagon officials under the pretense of national security; Uses alien powers to defeat the shadowy malevolent Pentagon officials, making them look foolish without really harming them; Makes teary farewell and returns to home planet. A virtual reality program is activated, and the distinction between reality and the program becomes confused or indistinguishable. People connect their brains directly to computers and get dependent on them. Aliens travel a zillion miles to loot the earth of resources which exist in far greater and much more easily recoverable quantities on the many uninhabited bodies they pass on the way to earth. A complex computer system spontaneously becomes self-aware. A couple files an application to the government for permission to conceive a baby. A human falls in love with a robot. A robot falls in love with a human. UFO abductions. Brain-controlling parasites attempt to wrest control of human race. Aliens put someone on trial for the sins of humanity. A high-tech amusement park goes lethally berserk. Death from old age turns out to be due to some simple, single cause, leading to an easy immortality treatment, with consequent catastrophic social implications. A great hunter decides that humans are the most entertaining prey of all, and visits Earth to bag a few. Psychedelic drugs give somebody magical power over space, time and reality. Aliens with completely incomprehensible motivations make war on the human race/invade earth. The bureaucratic/reactionary mindset stands in the way of scientific progress, but is overcome by the researcher through ability, purity of heart, and use of the scientific method. Two hostile factions colonize a planet within walking distance of each other. The government ships criminals off to other planets. A crass sexist male becomes pregnant. An android discovers emotions and goes beserk. A young researcher: Gets a job at a Mega-huge Corporation or Ultra-secret Government Agency; Learns that the employer's latest discovery has a Nasty Side Effect or involves some obvious human rights abuses, but the employer is moving ahead with it anyway; Confronts the employer, who casually dismisses the researcher's concerns and chides her/him for not being a "team player"; Tries to blow the whistle to avert disaster; Gets hounded by Shadowy Malevolent Goons; Goes to meet with inside sources, and finds them either dead or with just enough life left to utter a cryptic clue; Watches the disaster overtake the CEO; Testifies before Congress and enters the Witness Protection Program. Aliens invade earth in order to eat humans. An AI turns on its creators. A person from the past goes into suspended animation and wakes up in modern times, or a person from modern times goes into suspended animation and wakes up in the future. A person travels back in time to meet a major historical personage and winds up either becoming that person or taking that person's place at a critical juncture. The rightful monarch or long-lost heir is restored to the throne. A sexually selective plague kills off or sterilizes almost all of the men, or almost all of the women. A human discovers that the human race is being controlled by aliens. The alien invasion that flounders because their technological advantage is perfectly neutralized by their lack of resources, compared to the humans. Earth is threatened by an asteroid, and a space mission is mounted to save the planet. Humans are seen as a menace to galactic society, having developed technology over a few short centuries compared with the thousands it took the other races. The government bans music, painting, dancing, or some other art form; only the hero seems to care enough to do anything about it. A technological innovation prompts a large portion of society to violently suppress it. "Single female monster ISO single human male. Object: Mating." An entire society is run by a computer.