Terror by Night is best known today as the eerie production music used in SpongeBob SquarePants whenever a scene needs instant horror tension. Library cues like this became easy to recognise through repeated use across episodes, so viewers learned to associate the sound with danger long before any threat appeared. Clips and episode moments shared online helped turn it into a standalone meme sound, often catalogued alongside the spongebob sad song and other reusable cartoon cues. It remains popular because the fear is instantly readable, even when the visual is deliberately silly or harmless.