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The sound comes from Brooklyn Nine-Nine, the long-running police sitcom built around the detectives of the fictional 99th Precinct, and features Captain Raymond Holt, the precinct's famously deadpan commanding officer. Holt's restrained delivery became a fan favourite because it turns ordinary motivational language into comedy, and short clips of his lines spread widely through memes, reaction videos and soundboards. Fans still reuse this one because the contrast between his calm authority and the wild phrase makes it instantly recognisable, even without seeing the scene.
About this sound
Captain Holt's 'Unleash the Beast' moment from Brooklyn Nine-Nine, a deadpan hype line fans use for workouts, epic reveals and going all out.
This short clip captures Captain Holt delivering the phrase unleash the beast in his famously flat, controlled voice, turning a dramatic motivational line into something unexpectedly funny. The delivery is calm and precise rather than loud, which makes the contrast with the wild energy of the words land even harder. Listeners immediately recognise Holt's deadpan authority, so the sound works as a sudden switch from restraint to chaos. It feels like permission to stop holding back, whether the joke is about a workout, a game, a makeover or simply someone finally losing their patience in a harmless, comic way.
