Dr. Alien (1989)

An alien intending to claim Earth for his people before their homeworld is destroyed by a comet decides not to eliminate humanity when he hears their music. Instead, he lives among them until another alien is sent to find and kill him.

In the far future, a highly sexual woman is tasked with finding and stopping the evil Durand-Durand. Along the way she encounters various unusual people.

Inspired by Chris Marker's iconic 1962 featurette La Jetée; the year is 2073—a not-so-distant dystopian future—and the setting is New San Francisco, the scorched-earth tech-dominant police state where democracy and personal freedom have been well and truly obliterated.

A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.

When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an empathetic little green being.

Casper is a time traveller who arrives in the 2020s in an attempt to prevent a major future catastrophe. He meets Holly, a queer black woman he befriends and draws into his plan by giving her his knowledge of the future so that she can make quick money. However, they unwittingly alter the future themselves with their actions, until Doris, another time traveller, arrives to stop them.

In the hazy aftermath of World War III, the fallout from a 'nuclear misunderstanding' is producing strange mutations amongst the survivors, and the noble Lord Fortnum finds himself transforming into a bed sitting room.

An Earth Man and his alien friend escape an exploding Earth, and set forth on an odd adventure across the universe with a known fugitive.

In a world where superpowered people are heavily policed by robots, an ex-con teams up with a drug lord he despises to protect a teen from a corrupt cop.

Miles Monroe, a clarinet-playing health food store proprietor, is revived out of cryostasis 200 years into a future world in order to help rebels fight an oppressive government regime.