Seminal studies describe legislative television as an advancement in political information technology that is used by incumbent legislators for protection against political challengers. Today, legislative television spans much of the globe, creating both intra- and international differences that have made the study of the impact of legislative television on the political process something akin to a natural experiment. This entry discusses some of the studies that make up this branch of the law and economics literature, with particular focus on how the presence of television in a legislature impacts turnover rates, session lengths and the popularity of various parliamentary procedures.