High Quality Content by WIKIPEDIA articles! Big Brother Greece is a television series based on Endemol`s Big Brother format. Greek tv station ANT1 launched the series in Greece on September 10, 2001 running for a total of four seasons until 2005. During its run, the network changed the format of the show twice, with season 3 being known as "The Wall" and season 4 being known as "Big Mother". Season 5 was aired from Alpha TV.