Must-see movies are futuristic classics that shouldn't be missed. Of course, not every must-see is perfect. That's why we've rated them 1-5 on the patented "crunchy goodness" scale.

Title: Liquid Sky
Date: 1982

Vitals: A gorgeous and funny flick set in LA's early-1980s New Wave music scene, Liquid Sky is about a club-hopping, bisexual model who discovers that a tiny alien spaceship is following her around and killing anyone she has sex with. As long as she never has an orgasm, our heroine is safe from the alien beam - and she revels in her new and mysterious power.

Famous names: Anne Carlisle, Slava Tsukerman

Crunchy goodness: 3

Stunt casting: Film scribe Anne Carlisle plays both the hot lady model, as well as a man who is obsessed with her.

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Copycat: Every single aliens-and-sex-soaked episode of Russell T. Davies' Doctor Who spinoff Torchwood is pretty much a rehash of this movie, minus the good music and New Wave future.

Life lesson: Don't have sex with chicks who say, "I kill with my cunt."

Review at BadMovies.org