Editing That Which Survives (section)

{{Use American English|date=January 2025}}
{{Use mdy dates|date=January 2013}}
{{Infobox television episode
| series = [[Star Trek: The Original Series|Star Trek]]
| image = 
| caption =
| season = 3
| episode = 17
| airdate = {{Start date|1969|1|24}}
| production = 069
| teleplay = [[John Meredyth Lucas]]
| story = [[D.C. Fontana|Michael Richards]]
| director = [[Herb Wallerstein]]
| music = [[Fred Steiner]]
| photographer = Al Francis
| guests = 
*[[Lee Meriwether]] - Losira
*[[Arthur Batanides]] - Lt. D'Amato
*[[Booker Bradshaw]] - Dr. M'Benga
*William Blackburn - Lt. Hadley
*Naomi Pollack - Lt. Rahda
*[[Kenneth Washington]] - Engineer John B. Watkins
*Brad Forrest - Ensign Wyatt
| prev = [[The Mark of Gideon]]
| next = [[The Lights of Zetar]]
| episode_list = List of Star Trek: The Original Series episodes
| season_article = Star Trek: The Original Series season 3
}}

"'''That Which Survives'''" is the seventeenth episode of the [[Star Trek: The Original Series season 3|third season]] of the American [[science fiction]] television series ''[[Star Trek: The Original Series|Star Trek]]''. Written by [[John Meredyth Lucas]] (based on a story by [[D.C. Fontana]] under the pseudonym Michael Richards) and directed by [[Herb Wallerstein]], it was first broadcast January 24, 1969.

In the episode, the crew of the ''[[USS Enterprise (NCC-1701)|Enterprise]]'' visit an abandoned planet guarded by a mysterious woman.