“What’s on TV?” is a pretty common question. But did you ever stop to ask, “What’s in the TV?” In this BrainPOP movie, Tim and Moby go behind the screen to show you how your television works. First you’ll discover the basics of how old-style cathode ray tube (CRT) televisions brought TV stars to life. Next, you’ll explore the innovative technologies used to create modern liquid crystal (LCD) and plasma displays. You’d better believe that television has gone flat--but this is definitely a good thing!