There are lots of great Christmas movies, but of course, there are lots of really bad ones too. This is why these Mystery Science Theater 3000 episodes are so great - they make bad Christmas movies into great experiences. Without further ado, here are the full length episodes of both Santa Claus Conquers the Martians (with Joel Hodgson and including the infamous Patrick Swayze Christmas carol) and Santa Claus (with Mike Nelson).
Santa Claus Conquers the Martians:
Over 3 hours of brilliant stuff going on there... enjoy!