O Grande Irmão: O Dia que Durou 21 Anos 2
- Blwyddyn: 2022
- Gwlad: Brazil
- Genre: Documentary
- Stiwdio: Globo Filmes, Canal Brasil, GloboNews, Pequi Filmes
- Allweddair: military dictatorship, brazilian history, history
- Cyfarwyddwr: Camilo Tavares
- Cast: Salvador Allende, Augusto Pinochet, Almino Affonso, Ubiratan de Souza, Veronica Vergara, Orlando Sáenz Rojas