Star Trek is a popular science fiction series set in the future. The main genre of the Star Trek franchise deals with horror, suspense, thriller, space opera, astronomical fiction and utopia. Under this franchise many books, TV shows that follow adventures in space and a diverse range of games are showcased.
There are eight live-action series launched by Star Trek. Among the multitude of series, some spine-chilling episodes have captivated audiences with their mind-boggling graphics, horror and thrilling suspense.
We’ll present the ten most scariest episodes of Star Trek that have hooked the audiences:
10) “The Man Trap” The Original Series Season 1, Episode 1:
Source: Rotten Tomatoes
The first episode of Star Trek “The Man Trap” features Dr.McCoy, Jim Kirk and Mr.Spock in lead roles. The episode features a story about an alien with the superpower of shape-shifting. This alien can shift into the bodies of humans, taking their form. Dr.McCoy is on a mission to combat the alien, as it kills people and takes their form. The team led by Dr.McCoy is on a mission but due to its strange superpowers, he is met with his past.
As he goes near the alien to demolish it, the alien takes the form of his old girlfriend. Dr.McCoy is helpless as he has to face his past in front of him. This hard choice makes this episode one of the most suspenseful and thrilling episodes ever. The audience finds the context too scary and thrilling which keeps the audience intrigued.
9) “Whispers” Deep Space Nine Season 2, Episode 14:
Source: Rotten Tomatoes
The Star Trek: Deep Space Nine episode reveals a very interesting and suspenseful plot. It features Chief O’Brien in lead roles. Upon returning to his homeland after the mission to the Parada system, Chief O’Brien begins to feel something strange happening around him.
He kept trying to figure out what was happening to him. The confusion led to further speculation and O’Brien decided to go back to the mission to find the clue or answers. When he returns to the mission, he’s scared to know that things are more intense and complicated than he thought. He finds that he is not the real O’Brien. He is impersonating him, as he is created by aliens to bring destruction to the world. The real O’Brien is helpless and sad about his situation. This suspenseful and horrible episode intrigued its audiences with its thrilling story.
8) “Frame of Mind” The Next Generation Season 6, Episode 21:
Source: Rotten Tomatoes
The Star Trek: The Next Generation episodes reveal a very intriguing story. It features Commander Riker in the lead role who is stuck in reverse. He is found to be switching lives between a patient in a mental hospital and his life on a spaceship mission. He is oblivious and confused with this recurring state and questions himself. Later, he finds out that Aliens are tricking him by using his memory for exploitation.
Riker sets himself on a mission to free himself from these vague thoughts and eventually fights back. This tense and suspenseful plot has intrigued the audiences with its flamboyant visuals and climax, making it one of the scariest episodes of Star Trek.
7) “Dead Stop” Enterprise Season 2, Episode 4:
Source: Rotten Tomatoes
The Star Trek: Enterprise episode reveals a very suspenseful story around artificial intelligence. The storyline of the episode starts as, during the space mission the spaceship gets badly damaged. To repair it, the crew members luckily found a space station that could easily fix the spaceship. Unfortunately, the idea of landing at the station was bad. It turned into a horrific climax which engaged the audience.
The station planned to take the crew’s life to live their life safely. The suspense starts when one of the crew is tricked as the aliens replace them with a fake copy. The adventure of rescuing the crew member and destroying the station adds excitement and horror to the audience, making the episode the most enjoyable and scariest of all.
6) “All Those Who Wander” Strange New Worlds Season 1, Episode 9:

Source: Rotten Tomatoes
The Star Trek: Strange New Worlds episode reveals a very suspenseful and scary plot. The crew of captain Pike fights with many old enemies that are called Gorn. The Gorns are fierce and feed on the victim’s blood and dead bodies. So, after the shuttle crash, the crew members have to stay strong to combat these entities.
If they lose power and will to live, they will eventually be prey to Gorns. This whole concept of Prey and Predator excites the audiences with its intriguing and scary themes.
https://www.startrek.com/videos/episode-preview-all-those-who-wander
5) “One” Voyager Season 4, Episode 25:
Source: Rotten Tomatoes
The Star Trek: Voyager is a tale of friendship and pain. One of the crew members is alone on the spaceship and has to take care of things as her friends are asleep. She’s very friendly and is always connected with her friends. Sadly, she is alone and it’s hard for her to stay awake. Suddenly, the spaceship is diverted to a dangerous place and one of the crew members named “Seven” has to stay strong to stay at pace.
As the episode reaches its climax, the story gets tense and intrigues the audience with its story.
4) “Context Is For Kings” Discovery Season 1, Episode 3:
Source: Rotten Tomatoes
The Star Trek: Discovery is an interesting episode in which we meet Michael Burnham, who is in prison for disobedience. Meanwhile, the captain who disobeyed her spaceship is attacked and the USS Discovery rescues it.
The plot unfolds the story of survival as they meet an accident and a monster attacks them.
This thrilling and action episode is full of suspense and horror that gives an interesting and engaging experience to its audience.
3) “Genesis” The Next Generation Season 7, Episode 19:
Source: Rotten Tomatoes
The Star Trek: The Next Generation surrounds a thrilling and zombie narrative plot. The crew in the episode gets sick by a virus, which makes them wild and angry. The main leads of the episode are unaware of the situation. As they come back from an important mission, they see chaos and are in dire need of fixing the situation and finding a cure.
After one of the leads gets sick, the leftover lead character is overburdened to find a cure for the virus and its spread.
2) “The Thaw” Voyager Season 2, Episode 23:
Source: Rotten Tomatoes
The Star Trek: Voyager starts with a very intriguing and thrilling climax. The crew visits a planet that was met with an accident. The planet consists of five chambers with people inside, in which two people have already expired due to myocardial infarction. To save the other three members, the crew is on a mission to rescue them.
But the plot gets more intense when something goes incredibly wrong! This plot twist keeps the audience engaged throughout the episode which makes it the scariest Star Trek episode.
1) ” I Have No Bones Yet I Must Flee” Lower Decks Season 4, Episode 2:
Source: Rotten Tomatoes
The Star Trek: Lower Decks is an animated version. Its plot surrounds the crew of Cerritos which visit a jungle-like place to rescue humans. In the jungle, they meet a very cute but deadly creature called Moopsy. This creature can drink bones. One of the crew is terrified and eventually dies. The whole episode revolves around the rescue of humans by combating this deadly creature.