Can You Fill In the Word That’s Missing From These Iconic “Star Trek” Episode Titles?

By: Katie Ormsby
Estimated Completion Time
1 min
Can You Fill In the Word That’s Missing From These Iconic “Star Trek” Episode Titles?
Image: CBS

About This Quiz

Ever since "Star Trek" premiered in 1966, audiences have boldly gone to the final frontier with Captain Kirk and Mr. Spock. To put your Trekkie knowledge to the test, we've removed one word from five iconic episode titles. See if you can fill in the blank!
star trek "The Trouble with __________"
Fuzzies
Bubbles
Tribbles
"The Trouble with Tribbles" is one of the most fun episodes of the original series. It all begins when Uhura gets a tribble, a hairy little creature that purrs. Much to everyone's surprise, tribbles multiply rapidly. Before too long, they're all over the ship.
Cooties

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star trek "The __________ on the Edge of Forever"
City
In "The City on the Edge of Forever," Kirk and Spock travel back in time to New York City in the '30s. While there, Kirk falls for Edith Keeler, played by Joan Collins. Kirk learns that Edith must die; otherwise, she'll lead a pacifist movement that keeps the U.S. out of WWII long enough for Germany to win.
Girl
Past
Dilemma

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star trek "Balance of __________"
Doom
Power
Pain
Terror
"Balance of Terror" introduces a classic "Star Trek" foe — the Romulans. In addition to an intense cat-and-mouse game between the Enterprise and the Romulan ship, the episode tackles prejudice and xenophobia. Some Starfleet members question Spock's loyalties when it's revealed that Romulans and Vulcans share a common ancestry.

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star trek "Space __________"
Battle
Race
Seed
Without "Space Seed," we wouldn't have "Star Trek II: The Wrath of Khan," arguably the best "Star Trek" movie. The classic episode is Khan Noonien Singh's only appearance on the original series. Khan is a charismatic and dangerous superhuman who proves quite the challenge for Kirk.
Clash

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star trek "The __________ Time"
Reckless
Naked
A virus that lowers inhibitions spreads among the crew in "The Naked Time." This causes a swashbuckling Sulu to run around the ship, manically challenging everyone with his sword. Thanks to campy, exaggerated moments from nearly every Starfleet member, it's one of the most fun episodes of the original series.
Viral
Infectious

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