A pair of young lovers are driving down a dark highway. Suddenly, the car stops and they see a UFO overhead. The teens then pass out when a pair of gray aliens approach their car. Then another ...

More than a few classic X-Files episodes would have been impossible without this subtle alteration to the series' original concept.

Aliens are back in vogue. Haven't you heard? Fascination with little green men piloting saucer-shaped UFOs was long the purview of tinfoil-hat wearing conspiracy theorists and "X-Files" devotees. But ...