File:Star-Trek-The-Doomsday-Machine-4.jpg

Summary
Still from "The Doomsday Machine", copied from Midnite Reviews. Direct image link: https://midnitereviews.com/wp-content/uploads/2016/04/Star-Trek-The-Doomsday-Machine-4.jpg

Image copyright 1967. Copyright belongs to Paramount as of 2020. This image's use here is believed to be "fair dealing" / "fair use" under copyright laws.