This kind of doorbell sound does not point to one specific movie, show or meme source. Instead, it is a widely used everyday sound effect that appears in prank audio, short comedy edits, streaming alerts and domestic scene parodies across social platforms. Creators keep using it because the meaning is immediate: someone is outside and the moment is about to change. It is often paired with a door knocking sound effect for a stronger entrance cue, or with a ding sound effect in quick, playful edits.