The "Brazilian Series" refers to a series of professional football leagues in Brazil, primarily consisting of the Campeonato Brasileiro Série A, which is the top tier. This league features 20 teams competing annually, with matches held from May to December. The teams play each other in a round-robin format, and the top teams qualify for international competitions like the Copa Libertadores. In addition to Série A, the Brazilian football system includes lower divisions, such as Série B, Série C, and Série D. These leagues promote a competitive environment, allowing teams to move up or down based on their performance each season. The Brazilian Series is known for its passionate fan base and rich football culture.