The line comes from Looney Tunes, the Warner Bros. cartoon series, where Porky Pig delivered it at the end of many shorts as the series closed. Porky, who first appeared in 1935, became closely linked to the phrase because his stuttering delivery made the sign-off itself a joke. As the cartoons were rerun on television and later shared online, the ending became shorthand for a finished performance. Creators still use it today because it is instantly understood, even by people who have never watched a full cartoon, as a playful way to say the show is over.
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Porky Pig's classic 'That's all folks' cartoon ending, with his stuttering voice over the Looney Tunes closing theme, used to end videos with a punchline.
This is the famous closing moment from a Looney Tunes cartoon, where Porky Pig steps forward, stammers his way through his signature sign-off, and the familiar closing music swells behind him. His voice is warm, slightly hesitant and instantly recognisable, with the stutter building anticipation before the final words land. The short orchestral sting that follows gives it a theatrical, curtain-call feel, as if the whole show has just bowed. For viewers, it triggers instant nostalgia for Saturday morning cartoons while also working as a clear, funny full stop, signalling that the joke, story or video is definitively over.
