Star Trek (1966-1969)

The Man Trap (1966)

50:28 minutes.

A shape-shifting, salt-craving creature terrorizes the crew of Enterprise.

Charlie X (1966)

50:27 minutes.

A powerful teenage boy wreaks havoc aboard the U.S.S. Enterprise

Where No Man Has Gone Before (1966)

50:25 minutes.

Kirk's friend, Gary Mitchell, is transformed into a god-like entity.

The Naked Time (1966)

50:25 minutes.

The Enterprise crew catch a virus that removes their inhibitions

The Enemy Within (1966)

50:22 minutes.

A transporter malfunction creates an evil Kirk

Mudd's Women (1966)

50:24 minutes.

The Enterprise rescues con artist Harry Mudd and his "beautiful" female cargo.

What Are Little Girls Made Of? (1966)

50:26 minutes.

Nurse Chapel's long-lost fiancé is found — along with his androids

Miri (1966)

50:23 minutes.

A strange group of children are discovered on an Earth-like planet

Dagger of the Mind (1966)

50:25 minutes.

A new treatment for the criminally insane has deadly results

The Corbomite Maneuver (1966)

50:28 minutes.

Kirk bluffs his way past what appears to be a powerful alien.

The Menagerie (1966)

49:23 minutes.

Spock hijacks the Enterprise to return an injured Captain Pike to Talos IV.

The Menagerie (1966)

50:21 minutes.

Spock hijacks the Enterprise to return an injured Captain Pike to Talos IV

The Conscience of the King (1966)

50:31 minutes.

Kirk suspects Shakespearean actor Anton Karidian as a mass murderer

Balance of Terror (1966)

50:33 minutes.

After attacking an outpost, Romulans battle the Enterprise

Shore Leave (1966)

50:26 minutes.

On shore leave, the crew's thoughts come to life

The Galileo Seven (1967)

50:23 minutes.

Seven Enterprise crew members go on a shuttle mission with Spock in command

The Squire of Gothos (1967)

50:23 minutes.

A powerful entity known as Trelane torments the crew of the Enterprise

Arena (1967)

50:33 minutes.

Kirk is pitted in a barehanded duel with a Gorn

Tomorrow Is Yesterday (1967)

50:24 minutes.

The Enterprise is thrown back to 20th century Earth

Court Martial (1967)

50:31 minutes.

Kirk is recalled for a potential court-martial

Return of the Archons (1967)

50:23 minutes.

The Enterprise crew finds a world run by a computer named Landru

Space Seed (1967)

50:23 minutes.

Kirk meets Khan, a leader of Earth's Eugenics War

A Taste of Armageddon (1967)

50:23 minutes.

The Enterprise is diverted by two planets fighting a computerized war

This Side of Paradise (1967)

50:24 minutes.

The Enterprise visits a colony where indigenous flower spores provide the settlers with peaceful contentment

Devil in the Dark (1967)

50:29 minutes.

An unknown monster threatens a mining operation

The Alternative Factor (1967)

50:32 minutes.

An alien being fights himself across two realities

The City on the Edge of Forever (1967)

50:26 minutes.

Kirk and Spock go back in time to restore history

Operation -- Annihilate! (1967)

50:30 minutes.

The Enterprise crew saves Deneva from deadly parasites

Catspaw (1967)

50:24 minutes.

Aliens on a mission of conquest hold the crew captive

Metamorphosis (1967)

50:23 minutes.

The shuttlecraft Galileo makes a forced landing on a world with a single human inhabitant