Today marks 25 years since the release of Back to the Future. Now back then, mixing comedy with sci-fi was something that either falled flat on its face or worked perfectly. In BTTF's case, it was the latter. There are fews films that offer as much fun that this one does.
Read some interesting tidbits here: http://gnews.com/back-to-the-future-25th-birthday-17201057075002/