What is the name of Captain Kirk's brother, found dead in 'Operation -- Annihilate!'?
Answer
George Samuel Kirk
80 Star Trek The Original Series Trivia Questions with Answers
80 public questions with answers, drawn from the well. How many can you answer?
Explore trivia from Star Trek: The Original Series, the 1966–1969 science-fiction series that introduced Captain Kirk, Spock, McCoy, the Enterprise, and the Federation’s five-year mission. Questions cover episodes, actors, characters, alien civilizations, production history, memorable titles, and the series’ enduring influence on science fiction.
Test your knowledge of details such as Kirk’s brother, George Samuel Kirk, whose death drives “Operation—Annihilate!”, or the Shakespeare-inspired “The Conscience of the King,” featuring Anton Karidian. The set also reaches from the gangster-themed “A Piece of the Action” to Spock’s role as Enterprise first officer. It suits Star Trek fans, television quizzes, science-fiction game nights, classroom enrichment, and pub quizzes that reward both memory and cultural knowledge.
What Shakespeare-inspired episode features actor Anton Karidian?
Answer
The Conscience of the King
What is the title of the episode set on Sigma Iotia II, a planet modeled after 1920s gangsters?
Answer
A Piece of the Action
Which episode introduced the Klingons to Star Trek?
Answer
Errand of Mercy
Who played Yeoman Janice Rand in Star Trek: The Original Series?
Answer
Grace Lee Whitney
Which production company originally developed Star Trek before Paramount acquired it?
Answer
Desilu Productions
What title is given to Spock as second-in-command of the Enterprise?
Answer
First officer
Who played Trelane in 'The Squire of Gothos'?
Answer
William Campbell
What date did 'Turnabout Intruder' first air on NBC?
Answer
June 3, 1969
Which episode was the final first-run broadcast of Star Trek: The Original Series?
Answer
Turnabout Intruder
What is Spock's Starfleet role aboard the Enterprise?
Answer
Science officer
What is the name of the Federation starship commanded by Captain Kirk?
Answer
USS Enterprise
What episode was written as a backdoor pilot for the character Gary Seven?
Answer
Assignment: Earth
What episode features the planet Neural and villagers called the Hill People?
Answer
A Private Little War
What actor played Gary Mitchell in the second Star Trek pilot?
Answer
Gary Lockwood
What episode was the first regular Star Trek episode broadcast after the pilots?
Answer
The Man Trap
Which episode has Kirk and Spock meet Abraham Lincoln on Excalbia?
Answer
The Savage Curtain
What episode centers on a silicon-based lifeform killing miners on Janus VI?
Answer
The Devil in the Dark
What episode introduced Spock's parents, Sarek and Amanda?
Answer
Journey to Babel
What episode features tribbles multiplying aboard Deep Space Station K-7?
Answer
The Trouble with Tribbles
What episode features the first appearance of Romulans in Star Trek?
Answer
Balance of Terror
What episode features the pacifist Organians stopping a Federation-Klingon war?
Answer
Errand of Mercy
What Hugo-winning episode sends Kirk and Spock to 1930s New York?
Answer
The City on the Edge of Forever
Which original-series episode introduced Khan Noonien Singh?
Answer
Space Seed
What species is Spock's father Sarek?
Answer
Vulcan
What actor played Pavel Chekov in Star Trek: The Original Series?
Answer
Walter Koenig
Who directed the episode 'Balance of Terror'?
Answer
Vincent McEveety
Who played Khan Noonien Singh in 'Space Seed'?
Answer
Ricardo Montalban
Who wrote the episode 'The City on the Edge of Forever'?
Answer
Harlan Ellison
What was the name of the episode where the crew ages rapidly?
Answer
The Deadly Years
Who played Captain Christopher Pike in 'The Cage'?
Answer
Jeffrey Hunter
What is the name of the Vulcan mating drive?
Answer
Pon farr
Who played Commodore Matt Decker?
Answer
William Windom
What is the name of the second pilot episode?
Answer
Where No Man Has Gone Before
What is the name of the planet of the Talosians?
Answer
Talos IV
In which episode did the transporter first appear?
Answer
The Cage
What is the name of Spock's father?
Answer
Sarek
What was the name of the episode that won the Hugo Award for Best Dramatic Presentation in 1968?
Answer
The City on the Edge of Forever
What was the name of the ship destroyed by the Doomsday Machine?
Answer
USS Constellation
Star Trek The Original Series trivia — quick answers
What are good Star Trek: The Original Series trivia questions?
Good questions cover episode titles, cast members, character relationships, alien species, production history, and famous lines or settings. A balanced quiz might ask about Kirk’s family, Spock’s rank, the introduction of the Klingons, or episodes such as “The Squire of Gothos” and “A Piece of the Action.”
How hard is Star Trek: The Original Series trivia?
The difficulty ranges from easy questions about Kirk, Spock, and the Enterprise to challenging questions about supporting actors, episode plots, production companies, and one-off characters. Casual viewers can answer the broad character questions, while dedicated fans will have an advantage on episode-specific details.
Who played Spock in Star Trek: The Original Series?
Leonard Nimoy played Spock in Star Trek: The Original Series. Spock is the Enterprise’s science officer and second-in-command, a half-human, half-Vulcan character known for applying logic while gradually revealing his human emotional side. Nimoy portrayed Spock throughout the original series and its films.
Which episode introduced the Klingons to Star Trek?
“Errand of Mercy” introduced the Klingons to Star Trek. The episode places the Enterprise in conflict with the Klingon Empire on Organia, where Captain Kirk and Klingon commander Kor are forced to confront a powerful intervention that stops their war. John Colicos played Kor.