Star Trek: The Original Series was a pioneer in science fiction television, but not every episode avoided controversy, especially in Season 3.

These are the best Star Trek: The Original Series episodes to watch to understand the show's enduring legacy throughout the franchise.

'Star Trek: TOS' legend George Takei remembers Gene Roddenberry fondly, and has had the same favorite episode throughout the years.

Variety ranked the 57 best ‘Star Trek’ episodes across all 10 series — including The Original Series and The Next Generation — in honor of the franchise’s 57th anniversary.

Whether you’re a long-time fan or looking for a starting point, let this top 20 episodes list from the original series of ‘Star Trek’ be your guide to the stars.

These are the best Star Trek: The Original Series episodes to watch to understand the show's enduring legacy throughout the franchise. The first thing you need to know about Star Trek: The ...

10 Most Important Episodes Of Star Trek: The Original Series It boldly went where no television show had gone before.