Composed by Lalo Schifrin for the original Mission: Impossible television series in 1966, the theme is built around its famous five-four rhythm and has followed the franchise through decades of films led by Ethan Hunt. Its short form became a shorthand for stealth online, used in memes, pranks and challenge videos where an everyday action is staged like a secret mission. Because the melody is recognised within seconds, even without lyrics, it still works as instant tension for creators who need a mission to feel urgent and clever.