10 Best Star Trek The Original Series Episodes

It boldly went where no show went before, but what were TOS' finest moments?

Paramount

Star Trek has the honour of being the best and most revered Sci-Fi franchise on TV, and while the series might - in its current form - cut something of a divisive figure, every Trekkie loves The Original Series.

Created by Gene Roddenberry in 1966, Star Trek endeared itself to a world enraptured by the space race and engulfed by Cold War. It was revolutionary in so many respects and groundbreaking in so many more, establishing milestones, setting records and doing it all by turning in engaging, entertaining episodes week, after week, after week.

Star Trek was, and still is, one of the most iconic and intelligent pieces of Science-Fiction of the last century. Such a reputation was aided by a renewed presence on the big and small screens in the mid-to-late eighties, but The Original Series - featuring the likes of Leonard Nimoy, William Shatner and George Takei - was the granddaddy of all Trek paraphernalia; there is nothing more adored, or respected, than it.

And while there are countless episodes to mention that helped the series garner its cult status, there are a select few that stand out more than others. With time-travelling, star-trekking and furry critters galore, here are the episodes that made Trek, Trek.

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WhatCulture's very own resident movie guy, Ewan has been working in the content creation biz for over 10 years now, having started as a freelance contributor to WhatCulture Gaming all the way back in 2015. After graduating with a First-Class Honours in History from Northumbria University in 2017 (where he won a prize for a totally killer dissertation on the Watergate years), Ewan took on the role of Comics Editor at WhatCulture and quickly developed WhatCulture Comics into one of the biggest superhero-focused channels on YouTube. He followed this with a brief hiatus at Screen Rant in 2021, where he worked across the Gaming and Film sections as a writer and editor, before returning to WhatCulture as a Senior Content Producer / Presenter in 2023. He started his own podcast, We Love Dad Movies, in 2022, and has contributed several written pieces to the Eisner-nominated comics website Shelfdust as well. In his current role, Ewan incorporates his love of cinema, comic books, and history into written pieces and video essays for WhatCulture's Film & TV channel, as well as WhatCulture Gaming and WhatCulture Horror, with a particular focus on nineties-era Dad Movies, old school Westerns, and Golden Age Hollywood Noir. John Carpenter is his fave, and he thinks Batman Beyond should never have been cancelled. If that's your vibe, you'll probably like his stuff.