The Mission: Impossible theme was composed by Lalo Schifrin for the American television series, which premiered in 1966. Its distinctive five-beat rhythm became closely associated with espionage, carefully planned operations, and danger under time pressure. The composition later remained a defining musical element of the Mission: Impossible film franchise. Short excerpts spread widely through television parodies, online videos, gameplay edits, and social posts because the opening pattern can establish a secret-agent scenario almost instantly, whether the situation is genuinely tense or deliberately mundane.