The Original Series was a work in progress with two fundamental concepts introduced as retcons late in season 1.

W hen it comes to Star Trek, Michael Dorn will obviously be best known for playing Worf, the Klingon Starfleet officer who ...

If you're a "Star Trek" fan, there's only one episode you should be watching this Thanksgiving: "Charlie X." Here's why it's ...

First aired late in Season 1, “Space Seed” introduces Khan Noonien Singh, a genetically engineered tyrant from Earth’s past, who is found in stasis and quickly tries to take over the Enterprise.