Star Trek Episode Rating Graph

Kirk and Spock must travel into the past in order to correct a change that will alter history.

The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles.

A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran Empire, an organization as evil as the United Federation of Planets is benevolent.

Kirk pits the Enterprise against an invisible spaceship testing the Federation's defenses.

First Officer Spock returns to his home world for a brutal Vulcan mating ritual.

The starship Enterprise and its heavily-damaged sister ship, the USS Constellation, must work together to stop an alien planet-killing machine headed for the heart of Federation territory.

The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose.

The Enterprise picks up a crew of genetic supermen from the 20th century... and their leader, Khan, plans to create a new empire.

The crew of the Enterprise are on a secret mission to steal a Romulan cloaking device.

The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war that threatens to destroy the ship.

Spock kidnaps his former captain, the crippled Christopher Pike, and heads for a quarantined planet, putting his career and Kirk's life on the line.

A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship.

Spock's court-martial continues as he attempts to justify his abduction of Pike, the theft of the Enterprise, and his heading for a planet declared forbidden by Starfleet.

Captain Kirk is caught between dimensions while the crew of the Enterprise works to retrieve him. All the while, the Tholians demand that the Enterprise leave their space.

Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.

In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.

The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabited by pacifists, that is unwittingly caught in the middle.

Captain Kirk's career is at stake when he is put on trial for the loss of a crewman during an ion storm.

The Enterprise encounters a vast alien ship that threatens the Enterprise with destruction.

Kirk, Spock and McCoy are trapped in two parts of another planet's past - a world threatened with destruction when its sun goes supernova.

A strange alien substance causes the crew to lose their inhibitions.

The crew of the USS Enterprise deals with an indestructible planet-destroying space probe.

The Enterprise crew try to rescue colonists from deadly radiation, but instead encounter strange alien spores that seem to offer paradise.

Beings from another galaxy commandeer the Enterprise in an attempt to return home.

On a distant planet, Kirk, Spock and McCoy find a scientific team dead, and their children who, unknown to the crew, have great powers at their disposal.

Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.

The Enterprise picks up a group of space "hippies" looking for Eden.

Captain Kirk must find the cure to a deadly disease and put an end to another Starfleet captain's cultural interference.

An alien female beams aboard the ship and, after incapacitating the rest of the crew, surgically removes Spock's brain. Kirk and the crew have just hours to locate and replace it before Spock's body dies.

The crew of the Enterprise discovers Klingon interference in the development of a formerly peaceful planet and is forced to help maintain a balance of power.

Two powerful aliens threaten the well-being of the Enterprise and her crew.

The crew of the Enterprise encounters an ageless and sadistic race of humanoids with the power of telekinesis and who claim to have organized their society around Ancient Greek ideals.

While visiting a doomed planet, the landing party is subject to torturous experiments by powerful aliens.

The USS Enterprise ferries a spoiled princess whose betrothal to a royal Troyian is hoped will bring peace to a star system at war.

Kirk, McCoy, and Sulu are stranded on a barren planet where a mysterious woman attempts to kill them one at a time, while the Enterprise must travel halfway across the galaxy to rescue them.

An alien device on a primitive planet erases Captain Kirk's memory, and he begins a new life with the planet's indigenous people.

Kirk and a landing party are stranded on a planet due to a disease that causes any adult to die a painful death, and must deal with the local children who have survived.

Captain Kirk and his companions are abducted into slavery and trained to fight as gladiators for the gambling entertainment of three disembodied beings.

Strange incorporeal aliens threaten the Memory Alpha station and the Enterprise.

Aliens force Captain Kirk and First Officer Spock to join forces with "Abraham Lincoln" and "Surak" to battle villains in a contest of good vs. evil.

A race of overpopulated aliens abduct Captain Kirk to solve their problem.

The crew of the Enterprise visits a mysterious paradisical planet controlled by a computer that is served by the local inhabitants.

Kirk is one of the last survivors who can identify a mass killer, who lurks among a Shakespearean troupe aboard the Enterprise.

The crew of the Enterprise become entangled in a planet's tribal power struggle.

The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire.

The crew of the Enterprise are held captive by an alien who turns out to be the Greek god Apollo.

The Enterprise picks up a intergalactic conman, Harry Mudd, and three incredibly beautiful women who harbor a dark secret.

A series of bizarre murders points to Mr. Scott as the prime suspect.