"Grande Fratello" is the Italian version of the reality television show "Big Brother." It first premiered in 2000 and features contestants living together in a house under constant surveillance. The participants are isolated from the outside world and compete in various challenges while their interactions are broadcasted to viewers. The show typically lasts several months, culminating in a finale where one contestant is declared the winner based on public votes. "Grande Fratello" has inspired numerous spin-offs and adaptations, contributing to the popularity of reality TV in Italy and influencing other shows like Celebrity Big Brother and Big Brother Canada.