The Daily Double is one of the oldest mechanics on Jeopardy!, the American quiz show created by Merv Griffin that premiered in 1964 and returned in syndication in 1984. When a player finds the hidden square, regular play pauses for a solo wager, and this fanfare marks that shift. Decades of nightly broadcasts made the cue instantly recognizable to TV audiences. It later spread through trivia streams, quiz edits, and meme videos, where creators borrow its built-in tension to make any reveal feel like a high-stakes gamble.