With no single credited source attached to this clip, surprise surprise has survived online as a flexible reaction sound rather than a quote tied to one show or film. Its wording is simple and instantly understood, which makes it easy to reuse across languages and formats without needing context. Creators tend to pair it with reveals, pranks and ironic twists, where the humour comes from stating the obvious. That broad, low-effort appeal keeps it in rotation for short videos, streams and meme edits, long after more specific catchphrases have faded.