Sistema Brasileiro de Televisão (SBT Brazilian Portuguese: [sisˈtẽmɐ bɾɐziˈlejɾu dʒi televiˈzɐ̃w / ˈɛsi ˈbe ˈte]) Brazilian Television System) is a Brazilian television network. It first aired in 1981 and its headquarters are based in Osasco at the CDT Anhanguera complex.