A giant cube, a desperate bluff, and the day Star Trek chose curiosity over firepower.

An accused executioner, a murderous daughter, and the night Star Trek turned guilt into Shakespeare.

"The Menagerie, Part I" first aired on November 17, 1966, and it is the first half of The Original Series' only twopart story ...

First airing on October 6, 1966, it's an early TOS hour that plays like Trek's own Jekyll-and-Hyde bottle episode, letting ...

A duplicate Earth, feral children, and a life‑extension experiment that killed the grown‑ups.