Reading Rainbow was an American children's television series on PBS that ran from 1983 to 2006 and was hosted by LeVar Burton, with each episode encouraging young viewers to explore books. Its cheerful theme and warm, encouraging tone made it a lasting part of childhood for many viewers. As those viewers grew up, short clips from the show began circulating online as nostalgic shorthand for learning, curiosity and wholesome humour. Today creators reuse the sound to frame bookish jokes and gentle parodies, because even a few seconds instantly recall the show's friendly, educational spirit.