An intergalactic space war leads to a gladiator-like fight between a human and a spherical alien. They fight to the death, and whoever wins prevents the annihilation of their race.

In the far future, extraterrestrials wage war on Earth. Despite the aliens’ comparative strength, mankind’s tenacity fascinates one extraterrestrial soldier to the point of absolute endearment.

In the near future, two men—a quiet, rule-following biologist and a swashbuckling engineer—are tasked with a decades-long mission to colonize a planet outside the Solar System. But in the spaceship’s close quarters, tensions bubble up until one man decides he is going to kill the other.

Assuming that they were here to invade, mankind massacred the aliens whose ships landed on Earth. Now, the aliens and humans have an uneasy peace together. The aliens who landed on earth love to fly kites. One kite-maker sells them despite harassment from skinheads who hate the aliens and anyone who does business with them.

Extraterrestrial visitors promise solutions to America's financial, environmental, and energy problems - in exchange for the country's black citizens. A cultural struggle breaks out to determine whether the trade will be made.

Aliens land in an 1890 south Texas town and attack, leaving the town's sherif no choice but to motivate the townspeople to defend their home.

When an alien spaceship lands on Earth in need of help, leaders of countries around the world help and house them, causing tension between humans and these costly guests.

When a low-budget science fiction television show successfully predicts the discovery of extraterrestrial life, its cult followers investigate its mysterious origins, only to be met with more mysteries.

Aliens land peacefully on Earth and promise to fix humans’ societal problems, but humans soon get so frustrated with them that they flee to other planets. The smaller Earth population ends up bringing positive change, but this emigration to other planets reveals that many other populations have fled these aliens for the same reason.

In outer space, cat-like alien outwits its human captors until its own plan backfires.