When a mysterious alien race destroy an Earth colony, the Enterprise pursues but Kirk and the alien captain are forced to fight each other by powerful aliens.

The Enterprise encounters a vast alien ship that sets out to test them.

A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran…

The crew of the USS Enterprise deals with an indestructible planet-destroying space probe.

When a space exploration crashes on Mars, the surviving passenger is surprised to find that Martians are human-looking, very friendly and apparently just like us…

A fan-club gift draws a movie star back home, where she disrupts local plans for a town picnic by offering a one-woman show.