What is the worst 'Star Trek' franchise?

Americans will likely take over movie theaters this weekend, rushing to the box office to buy tickets for the latest "Star Trek Into Darkness" installment, which hit theaters on Thursday.

But plenty of other TV shows and movies have previously been set aboard the Starship Enterprise, and "Trek" fans have been split on which "Star Trek" franchise reigns supreme. But more importantly, of all the "Star Trek" versions out there, which is the worst?

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