Star Trek: TOS - All 78 Episodes Ranked

by tabranna | created - 09 Feb 2016 | updated - 3 months ago | Public
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1. Star Trek: The Original Series (1966–1969)
Episode: Who Mourns for Adonais? (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Michael Forest

Votes: 2,404

2. Star Trek: The Original Series (1966–1969)
Episode: The City on the Edge of Forever (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

When a temporarily insane Dr. McCoy accidentally changes history and destroys his time, Kirk and Spock follow him to prevent the disaster, but the price to do so is high.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, Joan Collins, DeForest Kelley

Votes: 3,977

3. Star Trek: The Original Series (1966–1969)
Episode: The Trouble with Tribbles (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, William Schallert

Votes: 2,970

4. Star Trek: The Original Series (1966–1969)
Episode: All Our Yesterdays (1969)

TV-PG | 50 min | Action, Adventure, Sci-Fi

When Kirk, Spock and McCoy investigate the disappearance of a doomed planet's population, they find themselves trapped in different periods of that world's past.

Director: Marvin J. Chomsky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Mariette Hartley

Votes: 2,028

5. Star Trek: The Original Series (1966–1969)
Episode: Amok Time (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

In the throes of his Pon Farr mating period, Spock must return to Vulcan to meet his intended future wife, betrothed from childhood.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Celia Lovsky

Votes: 2,852

6. Star Trek: The Original Series (1966–1969)
Episode: Journey to Babel (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise hosts a number of quarrelling diplomats, including Spock's father, but someone on board has murder in mind.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Jane Wyatt

Votes: 2,370

7. Star Trek: The Original Series (1966–1969)
Episode: Return to Tomorrow (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise is guided to a distant, long-dead world where survivors of an extremely ancient race - existing only as disembodied energy - desiring the bodies of Kirk, Spock and astro-biologist Ann Mulhall so that they may live again.

Director: Ralph Senensky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Diana Muldaur

Votes: 1,921

8. Star Trek: The Original Series (1966–1969)
Episode: Balance of Terror (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise must decide on its response when a Romulan ship makes a destructively hostile armed probe of Federation territory.

Director: Vincent McEveety | Stars: William Shatner, Leonard Nimoy, Mark Lenard, Paul Comi

Votes: 3,343

9. Star Trek: The Original Series (1966–1969)
Episode: The Cloud Minders (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

Kirk and Spock are caught up in a revolution on a planet where intellectuals and artists live on a utopian city in the sky while the rest of the population toils in mines on the barren surface below.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Jeff Corey

Votes: 1,730

10. Star Trek: The Original Series (1966–1969)
Episode: The Devil in the Dark (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise is sent to a mining colony that is being terrorized by a mysterious monster, only to find that the situation is not that simple.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Ken Lynch

Votes: 2,618

11. Star Trek: The Original Series (1966–1969)
Episode: The Corbomite Maneuver (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

After the Enterprise is forced to destroy a dangerous marker buoy, a gigantic alien ship arrives to capture and condemn the crew as trespassers.

Director: Joseph Sargent | Stars: William Shatner, Leonard Nimoy, Anthony D. Call, Clint Howard

Votes: 2,888

12. Star Trek: The Original Series (1966–1969)
Episode: The Cage (1966)

TV-PG | 63 min | Action, Adventure, Sci-Fi

Capt. Pike is held prisoner and tested by aliens who have the power to project incredibly lifelike illusions.

Director: Robert Butler | Stars: Jeffrey Hunter, Susan Oliver, Leonard Nimoy, Majel Barrett

Votes: 4,687

13. Star Trek: The Original Series (1966–1969)
Episode: Assignment: Earth (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Robert Lansing

Votes: 2,160

14. Star Trek: The Original Series (1966–1969)
Episode: The Galileo Seven (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Robert Gist | Stars: William Shatner, Leonard Nimoy, Don Marshall, DeForest Kelley

Votes: 2,540

15. Star Trek: The Original Series (1966–1969)
Episode: Where No Man Has Gone Before (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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!

Director: James Goldstone | Stars: William Shatner, Leonard Nimoy, Gary Lockwood, Sally Kellerman

Votes: 4,198

16. Star Trek: The Original Series (1966–1969)
Episode: Space Seed (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

While on patrol in deep space, Captain Kirk and his crew find and revive a genetically engineered world conqueror and his compatriots from Earth's 20th century.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, Ricardo Montalban, Madlyn Rhue

Votes: 3,269

17. Star Trek: The Original Series (1966–1969)
Episode: Plato's Stepchildren (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

After Dr. McCoy helps the leader of a planet populated by people with powerful psionic abilities, they decide to force him to stay by torturing his comrades until he submits.

Director: David Alexander | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Michael Dunn

Votes: 1,868

18. Star Trek: The Original Series (1966–1969)
Episode: The Man Trap (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, Jeanne Bal, Alfred Ryder

Votes: 3,489

19. Star Trek: The Original Series (1966–1969)
Episode: Wolf in the Fold (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Kirk and the Enterprise Computer become detectives after Scotty is accused of murdering women on a pleasure planet.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, John Fiedler

Votes: 2,026

20. Star Trek: The Original Series (1966–1969)
Episode: The Gamesters of Triskelion (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Gene Nelson | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Joseph Ruskin

Votes: 2,064

21. Star Trek: The Original Series (1966–1969)
Episode: Elaan of Troyius (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

While transporting an arrogant, demanding princess for a political marriage, Captain Kirk must cope both with her biochemical ability to force him to love her and sabotage on his ship.

Director: John Meredyth Lucas | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, France Nuyen

Votes: 1,823

22. Star Trek: The Original Series (1966–1969)
Episode: This Side of Paradise (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise investigates a planet whose colonists should be dead, but are not.

Director: Ralph Senensky | Stars: William Shatner, Leonard Nimoy, Jill Ireland, Frank Overton

Votes: 2,421

23. Star Trek: The Original Series (1966–1969)
Episode: What Are Little Girls Made Of? (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Nurse Chapel is reunited with her fiancé; but his new obsession leads him to make an android duplicate of Captain Kirk.

Director: James Goldstone | Stars: William Shatner, Leonard Nimoy, Michael Strong, Sherry Jackson

Votes: 2,724

24. Star Trek: The Original Series (1966–1969)
Episode: By Any Other Name (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Galactic alien scouts capture the Enterprise for a return voyage and a prelude to invasion. Kirk's one advantage - they're not used to their adopted human form.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Warren Stevens

Votes: 1,995

25. Star Trek: The Original Series (1966–1969)
Episode: For the World Is Hollow and I Have Touched the Sky (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

The Enterprise discovers an apparent asteroid that is on a collision course with a planet is actually an ancient populated generation ship.

Director: Anton Leader | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Katherine Woodville

Votes: 1,817

26. Star Trek: The Original Series (1966–1969)
Episode: The Tholian Web (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians.

Director: Herb Wallerstein | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 1,975

27. Star Trek: The Original Series (1966–1969)
Episode: The Conscience of the King (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

While Captain Kirk investigates whether an actor is actually a presumed dead mass murderer, a mysterious assailant is killing the people who could identify the fugitive.

Director: Gerd Oswald | Stars: William Shatner, Leonard Nimoy, Arnold Moss, Barbara Anderson

Votes: 2,489

28. Star Trek: The Original Series (1966–1969)
Episode: The Return of the Archons (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, Harry Townes, Torin Thatcher

Votes: 2,280

29. Star Trek: The Original Series (1966–1969)
Episode: Mirror, Mirror (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

A transporter accident places Captain Kirk's landing party in an alternate universe, where the Enterprise is in the service of a barbarically brutal empire.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, BarBara Luna

Votes: 3,100

30. Star Trek: The Original Series (1966–1969)
Episode: I, Mudd (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Harry Mudd returns with a plot to take over the Enterprise by stranding the crew on a planet populated by androids under his command.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Roger C. Carmel

Votes: 2,224

31. Star Trek: The Original Series (1966–1969)
Episode: The Immunity Syndrome (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise encounters a gigantic energy draining space organism that threatens the galaxy.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 1,928

32. Star Trek: The Original Series (1966–1969)
Episode: Is There in Truth No Beauty? (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

Lovely telepath Miranda is aide to Ambassador Kollos, in a box to stop insanity when humans see Medusans. She rejects Larry, a designer of Enterprise, and senses murderous intent nearby.

Director: Ralph Senensky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Diana Muldaur

Votes: 1,859

33. Star Trek: The Original Series (1966–1969)
Episode: Let That Be Your Last Battlefield (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

The Enterprise encounters two duo-chromatic and mutually belligerent aliens who put the ship in the middle of their old conflict.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Frank Gorshin

Votes: 1,892

34. Star Trek: The Original Series (1966–1969)
Episode: A Taste of Armageddon (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Kirk and Spock must save their ship's crew when they are declared all killed in action in a bizarre computer simulated war where the actual deaths must occur to continue.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, David Opatoshu, Gene Lyons

Votes: 2,458

35. Star Trek: The Original Series (1966–1969)
Episode: The Enemy Within (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Leo Penn | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Grace Lee Whitney

Votes: 2,937

36. Star Trek: The Original Series (1966–1969)
Episode: Arena (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

For bringing hostility into their solar system, a superior alien race brings Captain Kirk in mortal combat against the reptilian captain of an alien ship he was pursuing.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, George Takei

Votes: 2,674

37. Star Trek: The Original Series (1966–1969)
Episode: Requiem for Methuselah (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

On a planet, looking for an urgent medicinal cure, Kirk, Spock and McCoy come across a dignified recluse living privately but in splendor with his sheltered ward and a very protective robot servant.

Director: Murray Golden | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Daly

Votes: 1,867

38. Star Trek: The Original Series (1966–1969)
Episode: The Mark of Gideon (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

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.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Sharon Acker

Votes: 1,726

39. Star Trek: The Original Series (1966–1969)
Episode: Metamorphosis (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

While returning to the Enterprise aboard the shuttlecraft, Kirk, Spock, McCoy and a seriously ill Federation diplomat find themselves kidnapped by an energized cloud.

Director: Ralph Senensky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Glenn Corbett

Votes: 2,151

40. Star Trek: The Original Series (1966–1969)
Episode: The Omega Glory (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Vincent McEveety | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Morgan Woodward

Votes: 1,992

41. Star Trek: The Original Series (1966–1969)
Episode: The Paradise Syndrome (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

Trapped on a planet whose inhabitants are descended from Northwestern Native Americans, 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.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Sabrina Scharf

Votes: 1,965

42. Star Trek: The Original Series (1966–1969)
Episode: The Enterprise Incident (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

An apparently insane Capt. Kirk has the Enterprise deliberately enter the Romulan Neutral Zone where the ship is immediately captured by the enemy.

Director: John Meredyth Lucas | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Joanne Linville

Votes: 2,274

43. Star Trek: The Original Series (1966–1969)
Episode: Wink of an Eye (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

A group of aliens who exist in a state of incredible acceleration invade the Enterprise and abduct Capt. Kirk.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Kathie Browne

Votes: 1,801

44. Star Trek: The Original Series (1966–1969)
Episode: Friday's Child (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Federation clashes with the Klingon Empire over mining rights to Capella IV. A sudden coup between its warrior-minded inhabitants forces Kirk's party to flee with the now dead leader's pregnant wife.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Julie Newmar

Votes: 2,006

45. Star Trek: The Original Series (1966–1969)
Episode: Dagger of the Mind (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Kirk and psychiatrist Helen Noel are trapped on a maximum security penal colony that experiments with mind control and Spock must use the Vulcan mind-meld to find a way to save them.

Director: Vincent McEveety | Stars: William Shatner, Leonard Nimoy, James Gregory, DeForest Kelley

Votes: 2,559

46. Star Trek: The Original Series (1966–1969)
Episode: Court Martial (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi