Put it at the end of a fail sequence, after SpongeBob Fail sets up the mistake and before Dramatic Dun Dun Dun underlines the consequence, so the edit moves from embarrassment to fake arrest in three beats.
关于此声音
This is a roughly three-second police siren effect built around one long, rising wail that stretches the usual emergency sound into something deliberately over the top. It lands as funny and suddenly tense at once, turning a small slip into a mock arrest scene. Creators reach for it when a moment needs instant fake danger without any words.