Star Trek: The Original Series

A science-fiction masterpiece, Star Trek has been a really important vision not only of what future technology could look like, but also a reflection of what the hopes were, especially in the 60's, for what human society could look like. The Original Series, in many ways, is Star Trek at its purest. It's true that it could be campy and slow, but don't mistake that for it being unsophisticated. It was very smartly written, and while it can vary wildly in quality (like many shows from the 60's) it has a solid philosophical core, and often had some interesting things to say. Plus, I'm not sure the franchise has ever quite topped the amazing chemistry between Shatner, Nimoy, and Kelly. It's worth watching for them alone.