Despite Han Solo's protestations to the contrary, travelling faster than light on screen is usually just as straightforward as dusting crops. So whether you're in "Star Wars", "Star Trek" or "Battlestar Galactica", jumping to hyperspace, going to warp or spooling up the FTL really is as simple as popping out to the store.
In fact, Albert Einstein's time-dilating general theory of relativity tends to be little more than an afterthought, with films highlighting the inconveniences of interstellar travel definitely in the minority. For this reason, the very existence of "Flight of the Navigator" is even more improbable than its premise.
