A lot of people try and avoid behind-the-scenes looks at their favorite movies for fear it could ruin the mystique of what they're seeing on-screen. But surprisingly, seeing the inner workings of the infamous chest bursting alien from Aliens is just about as terrifying as the actual scene in the movie, if not more so.

Stan Winston Studio's creature designer Stephen Norrington provides insight into the old footage, explaining what went into creating the tiny cable-controlled puppet. And while these days the effect would just be handled with CG, the eerily lifelike movements of this creation will still be terrifying generations to come.