The unusual inspiration behind the Prometheus alien

Pretty much the entire 'Prometheus' movie left audiences scratching their heads wondering what the hell was going on.

Production company Red Letter Media came up with four minutes of questions about the film but didn't pick up on why the alien monster has a striking resemblance to female genitalia.

[Related story: Read our verdict on 'Prometheus']
[Related video: The UFO-inspired origins of 'Prometheus']

Luckily we have an exclusive behind-the-scenes video that explains just why the monstrous alien looks a bit like a vagina.

Find out in the video below.

'Prometheus' is released on DVD and Blu-ray on 8 October.

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