On Sunday, sports fans in the U.S. will be glued to TV screens for the Super Bowl, the annual championship of the American football league NFL.
The game, this year between the Seattle Seahawks and New England Patriots, is treated like an unofficial holiday in the United States. Companies estimate that billions of chicken wings and millions of pizzas are consumed as families and friends get together to watch the game.
Perplexed? Watch the HuffPost video above to understand what all of the fuss is about.