Star Trek: The Original Series: The Complete Second Season
The most famous episode in franchise history, "The Trouble with Tribbles," is one of the highlights of the second season of Star Trek: The Original Series. A deserved classic, the humorous story centers on an ever-expanding mass of furry creatures that memorably rain themselves down on top of Captain Kirk (William Shatner) and into the middle of a Federation-Klingon showdown. It inspired one of the most memorable episodes in the spin-off series Deep Space Nine, "Trial and Tribble-ations." Also in the second season, the Vulcan culture of Mr.