The Super Bowl is an annual championship game of the National Football League (NFL) in the United States. It is the culmination of a regular season that begins in the late summer of the previous calendar year. The game is the most watched television EVENT in the United States, with viewership exceeding 100 million viewers. The Super Bowl is also one of the most lucrative events in sports, with advertisers spending millions of dollars for a 30-second commercial during the game.