Twilight Zone is more than a television landmark. It's also an incredibly enjoyable series, one with a range of concerns and stories that feature something for everyone. There's a reason why "Twilight Zone" holiday marathons are a long-standing tradition. This is a show you could curl up with for hours at a time. And if you want to go ahead and have a personal marathon of your own, here's a ranking of 30 episodes we'd suggest including.