Star Trek: The Original Series

Mysterious deaths of Enterprise crew on a desolate planet disrupt McCoy's unexpected reunion with an old love.

A troubled teen (Robert Walker Jr.), sole survivor of a spaceship crash, imposes his will on the Enterprise.

Kirk confronts two crew members (Gary Lockwood, Sally Kellerman) after a psychic force invades their minds.

A strange ailment which bares emotions afflicts the crew as the Enterprise observes a planet's disintegration.

A transporter malfunction strands Sulu and others on a frigid planet and splits Kirk into two antithetical people.

The Enterprise interferes with Harry Mudd's new business, supplying wives to rich but lonely miners.