The scream comes from Star Wars: Episode III – Revenge of the Sith from 2005, when Darth Vader learns that Padmé has died and cries out in anguish beside the Emperor. The line quickly escaped the film online, becoming a shorthand reaction alongside the regular Darth Vader NOOOOOOOOO version with music. Editors kept sharing a clean cut without the score so the voice could sit over any footage, and that flexibility helped it survive as a meme sound for dramatic losses, parodies, and reaction videos.
About this sound
Darth Vader screaming noooo without the background music from Star Wars, the clean vocal clip people use for dramatic failures and reaction edits.
This is Darth Vader's drawn out no, isolated without the orchestral score underneath it. The voice starts low and strained, then stretches into a long, anguished scream that keeps rising in desperation before it finally breaks off. Without music the breathing, the distortion in the vocoder, and the raw pain in the delivery are much more exposed. It lands as both genuinely dramatic and unintentionally funny, which is why the clip works so well out of context. A serious moment of grief becomes an exaggerated reaction that instantly signals total disbelief and defeat.