We look back at more than 30 years of some of the best and worst alien abduction movies.

Do aliens really hover in our skies, waiting to kidnap us for their own unfathomable ends?

12-year-old David (Joey Cramer) is knocked unconscious and wakes up to discover that eight years have passed.

Communionis an odd, often surreal film, and the nature of Striebers encounters are frequently ambiguous.

While critics treatedCommunionwith disdain in the late 80s, its nevertheless worth watching for Walkens eccentric, semi-improvised acting.

Its surprising, in fact, that aliens would choose such a terrifying man to abduct.

His co-workers, rather selfishly, drive off and leave him.

Walton is found five days later, traumatised and naked.

But when the film does finally delve into what happened to Walton, its surprisingly effective.

brings down an alien destroyer in a moment of fiery self-sacrifice.

Mysteriously overlooked by Hollywood distributors in 2006,Altereddeserves to be rediscovered on DVD.

The films docudrama status also means that aliens are notable by their absence.

Unlike every other film mentioned here,The Fourth Kindis the only entry where extraterrestrials are barely even glimpsed.

StarringCHIPs Erik Estrada, it boasts one of the finest trailers Ive seen sinceGrindhouse.

On the strength of this, Im desperate to track down a copy.

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