https://www.looper.com/2061060/star-trek-episodes-predicted-future/

"Star Trek" remains a science fiction classic, and it's often been a cultural bellwether for our future. These are 10 times "Trek" predicted the future.

10 Best Star Trek Characters That Only Appeared In One Episode (https://www.looper.com/2060456/best-star-trek-characters-appeared-one-episode/)

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on the franchise.