It's never too early to produce the next generation of science fiction consumers. If they're old enough to walk, they're old enough to start obsessing about the finer points of space combat. (In fact, any kid worth her salt should understand the predestination paradox before she's potty-trained.) A serialized TV narrative is the best thing to start your kid on a life of SF addiction, but which show is best for providing that crucial first dose? Click through to vote, and remember: the first hit is always free.

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