- #16 The Menagerie, Parts i and II
- Produced in 1966
- Author: Gene Roddenberry
- Directed by Marc Daniels/Robert Butler
-
- CAST
- William Shatner as Captain Kirk,
- Jeffrey Hunter as Captain Pike,
- Leonard Nimoy as Spock,
- Deforest Kelley as McCoy
- Susan Oliver as Vina,
- Majel Barret as Number One and others.
-
- Stardate: 3012.4
- Spock hijacks the Enterprise to return Captain Pike
to planet Talos IV. This two-part episode incorporated most of the footage from the
original Star Trek pilot episode "The Cage". Using the courtroom drama of
Spock´s trial as a framing device, this episode was an ingenious effort to make use of
the first pilot episode, despite the fact that "The Cage" had a markedly
different cast
|
#17 Shore Leave
- Produced in 1967
- Author: Theodore Sturgeon
- Directed by Robert Sparr
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Emily Banks as Barrows and others.
-
- Stardate: 3025.3
- The Enterprise crew is baffled by a mysterious planet
on which dreams come true in a terrifying way.
 - Sulu in "Shore Leave"
|
- #18 The Squire of Gothos
- Produced in 1967
- Author: Paul Schneider
- Directed by Don McDougall
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- William Campbell as Trilane and others.
-
- Stardate: 2124.5
- An incredibly powelful alien life-form torments the
Enterprise crew, but is found to be simply a small child, playing with his toys.
|
- #19 Arena
- Produced in 1967
- Author: Fredric Brown
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr, McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Jerry Ayres as O´Herlihy and others.
-
- Stardate: 3045.6
- A powerful civilization known as the Metrons puts
Kirk and a Gorn captain on a planetoid where they are expected to resolve their
differences by fighting to the death.
 - Kirk in "Arena"
|
- #20 The Alternative Factor
- Produced in 1967
- Author: Don Ingalls
- Directed by Gerd Oswald
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Robert Brown as Lazarus and others.
-
- Stardate: 3087.6
- A mysterious "rip" in space is opened
between our universe and an antimatter universe, and a madman threatens the existence of
both realities.
|
- #21 Tomorrow Is Yesterday
- Produced in 1967
- Author: D.C. Fontane
- Directed by Michael O´Herlihy
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Roger Perry as Captain Christopher and others.
-
- Stardate: 3113.2
- The Enterprise accidentally travels back in time to
the 20th century, where it is sighted by the Air Force as a UFO.
 - "Tomorrow Is Yesterday"
|
- #22 Return of the Archons
- Produced in 1967
- Author: Gene Roddenberry
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Harry Townes as Reger and others.
-
- Stardate: 3156.2
- The Enterprise, investigating the disappearance of
the starship Archon, finds a planet ruled by a computer called Landru. The comuter now
wants to destroy the Enterprise in order to protect what it believes to be a perfect
sciety
|
- #23 A Taste of Armageddon
- Produced in 1967
- Author: Robert Hamner
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- David Opatoshu as Anan 7,
- Gene Lyons as Ambassador Fox and others.
-
- Stardate: 3192.1
- The Enterprise is caught in a bizarre interplanetary
war fought entirely by computers, but with real deaths.
 - "A Taste of Armageddon"
|
- #24 Space Seed
- Produced in 1967
- Author: Carey Wilber
- Directed by Marc Daniels
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Ricardo Montalban as Khan and others.
-
- Stardate: 3141.9
- The Enterprise is commandeered by 20th-century
genetic "superman" Khan Noonien Singh, who has survived for centuries aboard a
"sleeper ship". This episode was the predecessor for the feature film Star Trek
II: The Wrath of Khan.
 - "Space Seed"
|
- #25 This Side of Paradise
- Produced in 1967
- Author: Nathan Butler/D.C. Fontana
- Directed by Ralph Senensky
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Jill Ireland as Kalomi and others.
-
- Stardate: 3417.3
- At a colony where aliens spores provide total
contentment, Mr. Spock finds happiness with a woman who once loved him.
 - Spock in "This Side of Paradise"
|
- #26 The Devil in the Dark
- Produced in 1967
- Author: Gene L. Coon
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Ken Lynch as Vanderberg and others.
-
- Stardate: 3196.1
- A terrifying subterranean creature is found to be
simply a mother protecting her eggs.
|
- #27 Errand of Mercy
- Produced in 1967
- Author: Gene L. Coon
- Directed by John Newland
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Jon Abbott as Ayelborne and others.
-
- Stardate: 3198.4
- The Enterprise tries to protect Organia, an
appararently primitive planet, from the Klingons, but appearances can be deceiving, and
the Organians neither want nor need assistance. This episode featured the first appearance
of the Klingons in Star Trek.
 - "Errand of Mercy"
|
- #28 The City on the Edge of Forever
- Produced in 1967
- Author: Harlan Ellison
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Joan Collins as Keeler and others.
-
- McCoy, suffering from an accidental drug overdose,
flees through a time portal into Earth of the 1930s, where he causes serious damage to the
flow of history. Kirk must allow the woman he loves to die in order to restore the
timeline. This episode won the Hugo Award for best Dramatic Presentation in 1968.
 - The time portal.
|
- #29 Operation-Annihilate!
- Produced in 1967
- Author: Steven W. Carabatsos
- Directed by Herschel Daugherty
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Joan Swift as Kirk and others.
-
- Stardate: 3287.2
- At a Federation colony, Kirk finds his brother and
sister-in-law are victims of neural parasites causing planetwide insanity. This was the
last episode of the original series´s first season.
|
- #30 Catspaw
- Produced in 1967
- Author: Robert Bloch
- Directed by Joseph Pevney
-
- CAST
- William Shatner as Captain Kirk,
- Leonard Nimoy as Spock,
- Deforest Kelley as Dr. McCoy,
- James Doohan as Scott,
- George Takei as Sulu,
- Nichelle Nichols as Uhura,
- Walter Koenig as Chekov,
- Antoinette Bower as Sylvia and others.
-
- Stardate: 3018.2
- The Enterprise crew finds witches, black cats, and
haunted castles on planet Pyris VII. This was the first episode produced for the original
series´s second season, and the first appearance of Pavel Chekov.
 - "Catspaw"
|
