Highest Composite Rated Episodes
Trapped in an alien laboratory, Kirk, Spock and McCoy meet an empath and are involved in a series of experiments.
A transporter malfunction splits Captain Kirk into two halves: one meek and indecisive, the other violent and ill tempered. The ...read more A transporter malfunction splits Captain Kirk into two halves: one meek and indecisive, the other violent and ill tempered. The remaining crew members stranded on the planet cannot be beamed up to the ship until a problem is fixed. show less
An apparently insane Capt. Kirk has the Enterprise deliberately enter the Romulan Neutral Zone where the ship is immediately ...read more An apparently insane Capt. Kirk has the Enterprise deliberately enter the Romulan Neutral Zone where the ship is immediately captured by the enemy. show less
The Galileo, under Spock's command, crash-lands on a hostile planet. As the Enterprise races against time to find the ...read more The Galileo, under Spock's command, crash-lands on a hostile planet. As the Enterprise races against time to find the shuttlecraft, Spock's strictly logical leadership clashes with the fear and resentment of his crew. show less
Kirk, Uhura and Chekov are trapped on a planet where abducted aliens are enslaved and trained to perform as gladiators for the ...read more Kirk, Uhura and Chekov are trapped on a planet where abducted aliens are enslaved and trained to perform as gladiators for the amusement of bored, faceless aliens. show less
The Enterprise encounters a gigantic energy draining space organism that threatens the galaxy.
Dr. McCoy discovers his old flame is not what she seems after crew members begin dying from a sudden lack of salt in their ...read more Dr. McCoy discovers his old flame is not what she seems after crew members begin dying from a sudden lack of salt in their bodies. show less
Kirk beams down to the planet Gideon and appears to find himself trapped on a deserted Enterprise. Spock on the real Enterprise ...read more Kirk beams down to the planet Gideon and appears to find himself trapped on a deserted Enterprise. Spock on the real Enterprise must use his diplomatic skills to deal with the uncooperative inhabitants of Gideon and find the Captain. show less
Spock kidnaps the crippled Capt. Pike, hijacks the Enterprise and then surrenders for court martial.
At Spock's court martial, he explains himself with mysterious footage about when Capt. Pike was kidnapped by powerful ...read more At Spock's court martial, he explains himself with mysterious footage about when Capt. Pike was kidnapped by powerful illusion casting aliens. show less
The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree.
Responding to a distress signal, Kirk finds Captain Tracey of the U.S.S. Exeter violating the prime directive and interfering ...read more Responding to a distress signal, Kirk finds Captain Tracey of the U.S.S. Exeter violating the prime directive and interfering with a war between the Yangs and the Kohms to find the secret of their longevity. show less
Trapped on a planet whose inhabitants are descended from Northwestern American Indians, Kirk loses his memory and is proclaimed ...read more Trapped on a planet whose inhabitants are descended from Northwestern American Indians, Kirk loses his memory and is proclaimed a God while the crippled Enterprise races back to the planet before it is destroyed by an asteroid. show less
Seeking the answer to a century-old mystery, Kirk and crew encounter a vacantly peaceful society under a 6000-year autocratic ...read more Seeking the answer to a century-old mystery, Kirk and crew encounter a vacantly peaceful society under a 6000-year autocratic rule that kills all those it can't absorb. show less
Kirk, Spock, Abraham Lincoln and Vulcan legend Surak are pitted in battle against notorious villains from history for the ...read more Kirk, Spock, Abraham Lincoln and Vulcan legend Surak are pitted in battle against notorious villains from history for the purpose of helping a conscious rock creature's understanding of a concept he does not understand, "good vs. evil". show less
A being that controls matter and creates planets wants to play with the Enterprise crew.
With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an ...read more With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians. show less
To protect a space station with a vital grain shipment, Kirk must deal with Federation bureaucrats, a Klingon battle cruiser and ...read more To protect a space station with a vital grain shipment, Kirk must deal with Federation bureaucrats, a Klingon battle cruiser and a peddler who sells furry, purring, hungry little creatures as pets. show less
Kirk and a sub-skeleton crew are ordered to test out an advanced artificially intelligent control system - the M-5 Multitronic ...read more Kirk and a sub-skeleton crew are ordered to test out an advanced artificially intelligent control system - the M-5 Multitronic system, which could potentially render them all redundant. show less
A group of idealistic hippies, led by an irrational leader, come aboard the U.S.S. Enterprise.
The Enterprise investigates a planet whose colonists should be dead, but are not.
The Enterprise is thrown back in time to 1960s Earth.
Captain Kirk's insane ex-lover Dr. Janice Lester forcibly switches bodies with him in order to take command of the ...read more Captain Kirk's insane ex-lover Dr. Janice Lester forcibly switches bodies with him in order to take command of the Enterprise. show less
Nurse Chapel is reunited with her fiancé; but his new obsession leads him to make an android duplicate of Captain Kirk.
The flight recorder of the 200-year-old U.S.S. Valiant relays a tale of terror--a magnetic storm at the edge of the galaxy!
A powerful being claiming to be the Greek god Apollo appears and demands that the crew of the Enterprise disembark onto his ...read more A powerful being claiming to be the Greek god Apollo appears and demands that the crew of the Enterprise disembark onto his planet to worship him. show less
Kirk and Spock are taken prisoners by a former starship captain named Garth, who now resides at, and has taken over, a high ...read more Kirk and Spock are taken prisoners by a former starship captain named Garth, who now resides at, and has taken over, a high security asylum for the criminally insane. show less
A group of aliens who exist in a state of incredible acceleration invade the Enterprise and abduct Capt. Kirk.
Kirk and the Enterprise Computer become detectives after Scotty is accused of murdering women on a pleasure planet.