Place it at the very start of an entrance, before the action begins, then follow with crowd cheering to extend the welcome, a sitcom laugh track if the arrival is a joke, and victory fanfare when the newcomer is presented as a hero.
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This three-second clip opens with Dr Nick Riviera calling out a bright, singsong 'Hi, everybody!' and a crowd immediately replying in unison, 'Hi, Dr Nick!' The exchange feels warm, silly and instantly welcoming, like a room lighting up for an entrance. It comes from The Simpsons, where the cheerful doctor's greeting became a repeated running gag.