The Empath

"The Empath" is the twelfth episode of the third season of the American science fiction television series ''Star Trek''. Written by Joyce Muskat and directed by John Erman, it was first broadcast on December 6, 1968.

In the episode, while visiting a doomed planet, the landing party is subjected to brutal experiments by powerful aliens.

This episode is one of a handful not screened in the United Kingdom by the BBC for many years, owing to its disturbing content (torture). It was not broadcast by the BBC until January 1994. Provided by Wikipedia