The Polar Express is a Christmas movie classic, but did you know it features an incredible Back to the Future Easter Egg? The reason is that both movies were directed by Robert Zemeckis ...

The Polar Express ... the North Pole and back again all in the span of a few hours. Add to that terrifying and dangerous moments such as when the train barrels down the track and the conductor ...

and can’t quite bring back the same way. Today, the off-puttingly uncanny qualities of Polar Express almost seem quaint, as does the idea that it was, at the time, the worst Zemeckis film.