Big Brother 2001, also known as Big Brother 1, was the first season of the Australian reality television series Big Brother. It is based upon the Dutch series of the same name, it premiered on Network Ten on 23 April 2001 and lasted twelve weeks until the live finale on 16 July 2001. Big Brother 1 proved to be an early ratings success. In total, the season averaged 1.4 million viewers, thus making it the fourth highest rated season to date. This season aired for a total of 85 days, with evictions occurring once every week beginning with the second week. In total, fourteen Housemates competed in Big Brother 1. The original twelve entered on the first night, with two intruders entering at a later date. Ultimately, Housemate Ben Williams was later announced as the winner of the series, with Blair McDonough becoming the Runner-Up.
Big Brother 2006 was the second season of the Finnish reality television season Big Brother. It aired on SubTV in Finland, from 29 August 2006 to 1 December 2006, and lasted 96 days. A number of contestants lived in a purpose-built house in Espoo, and were isolated from the rest of the world. Each week, each housemate nominated two of their peers for eviction, and the housemates who received the most nominations would face a public vote. Of these, one would eventually leave, having been "evicted" from the house. However, there sometimes were exceptions to this process as dictated by Big Brother, known as "twists". In the final week, there were four housemates remaining, and the public voted for who they wanted to win. Sari Nygren received the most votes, and won the prize money of €50,000. The series's final broadcast obtained a peak audience of 540,000 viewers.
Big Brother Australia 2007, also known as Big Brother 7, was the seventh season of the Australian reality television series Big Brother. Episodes were broadcast on Network Ten in Australia, and the first episode aired on 22 April 2007. Despite a drop in ratings compared to previous seasons, and a number of controversies, the then Big Brother executive producer Kris Noble considers the year's season a success. At the end of this season's finale broadcast 30 July 2007, it was announced by host Gretel Killeen that Big Brother would be returning for an eighth season in 2008. In the finale Aleisha Cowcher was announced as the winner of Big Brother Australia 2007. She won by the closest winning margin ever in the Australian version. The news the following day reported a margin of 51% versus 49% – a difference of 65 votes. This was the last season hosted by Gretel Killeen.
Big Brother 2005 was the first season of the Finnish reality television season Big Brother. It aired on SubTV in Finland from 28 August 2005 to 1 December 2005.
Big Brother Portugal is the Portuguese version of the international reality television franchise Big Brother, produced by Endemol for Portuguese channel TVI. TVI launched the show in 2000. Since its beginning, it has been a great success.
Big Brother 2007 was the third season of the Finnish reality television season Big Brother. It aired on SubTV in Finland, from 28 August 2007 to 2 December 2007, and lasted 97 days.
Gran Hermano is the Argentine version of the international reality television franchise Big Brother produced by Endemol. The show is currently hosted by Santiago del Moro, taking over after Jorge Rial and previously Soledad Silveyra. The show first aired on 10 March 2001 on Telefe and aired seven regular and one Celebrity season until 16 April 2012. It was on hiatus for three years until 29 April 2015, when a revival of the series began airing on América TV for two seasons until 24 August 2016. After a six-year break, the show returned to Telefe for its tenth season that premiered on 17 October 2022. Gran Hermano was renewed for an eleventh season on 27 March 2023, and a twelfth season on 3 July 2024.
The third season of the reality game show Pinoy Big Brother, subtitled "Double Up" premiered on the ABS-CBN network on October 4, 2009 and ran for 133 days until February 13, 2010.
Big Brother 2008 was the fourth season of the Finnish version of the reality television show Big Brother. It aired on Sub in Finland, from 26 August 2008 to 30 November 2008, lasting for 97 days.
Big Brother Danmark was the Danish version of the international reality television franchise Big Brother created by producer John de Mol. The series debuted on Danish television in January 2001 and was axed in June 2014, due to poor ratings.
Big Brother 2011 is the seventh season of the Finnish reality television series Big Brother. The season premiered on 31 August 2011, on Sub and the finale was aired on 11 December 2011. The show is produced by Endemol Finland Oy. The seventh season was confirmed on 8 March 2011, in a press release issued from Sub.
Big Brother Australia 2013, also known as Big Brother 10, is the tenth season of the Australian reality television series, Big Brother. It began on 28 July 2013, with a pre-recorded launch show airing on 29 July 2013 on the Nine Network. On 6 November 2013, after 101 days of competition, Tim Dormer won the competition and the $250,000 prize. It is the second season of the show to air on the network after it picked up the series in 2012, following a four-year absence. Sonia Kruger continued to host the show, with Mike Goldman continuing as narrator.
Big Brother Brasil 14 was the fourteenth season of Big Brother Brasil which premiered January 14, 2014, with the season finale airing April 1, 2014 on the Rede Globo television network.
Big Brother Australia 11, also known as Big Brother 2014, was the eleventh season of the Australian reality television series Big Brother. It began on 8 September 2014 on the Nine Network. The season ended on 26 November 2014, lasting 80 days. Excluding the celebrity edition and the Channel Seven editions of the show, this is the shortest Big Brother season of the original format. The winner of the season was Ryan Ginns, who won a total of A$200,000. The show's renewal was confirmed by the Nine Network, who air the show, at the end of the previous season's finale. This was the third season of the show to air on the Nine Network after it picked up the series in 2012, following a four-year absence. The show was originally screened on Network Ten. Sonia Kruger continued as the host of the show, and Mike Goldman continued as the narrator.
The tenth season of Big Brother Suomi premiered on 24 August 2014 and was screened on Sub. Mari Sainio continued as the main host for the program, known as Big Brother Talk Show, while Sauli Koskinen hosted the companion show Big Brother Extra. The previous season saw celebrities as contestants while this edition reverted to casting civilians as contestants. The contestants, also known as Housemates, lived inside the Big Brother House with the goal to be the last housemate and win €100,000. The program concluded on 14 November 2014 where Andte Gaup-Juuso was crowned the winner with 65.39% of the public vote to win. Big Brother Suomi went on a five-year hiatus after the conclusion of this season before being revived for an eleventh season that premiered on 1 September 2019 on Jim and Nelonen.
The eleventh season of Big Brother Suomi premiered on 1 September 2019 and was aired on Jim and Nelonen. This is the first season to air on Jim and Nelonen after the first ten seasons aired on Sub from 2005–2014. After a five-year hiatus, the revival of Big Brother Suomi was announced on 14 January 2019 alongside the revival of the Polish edition of Big Brother.
Big Brother Brasil 20 was the twentieth season of Big Brother Brasil which premiered on TV Globo on January 21, 2020. The show was produced by Globo and hosted by Tiago Leifert, who returned for his fourth season as the host.
The twelfth season of Big Brother Suomi premiered on 6 September 2020 and was aired on Nelonen. This season was longer than the eleventh season and ran for 12 weeks.
Big Brother Suomi VIP was the second celebrity season and the thirteenth season overall of the Finnish reality show Big Brother Suomi. The show started on 2 May 2021, on Nelonen and finished on 20 May 2021, lasted for three weeks.
The fourteenth season of Big Brother Suomi premiered on 5 September 2021 and lasted for 12 weeks. It was aired on Nelonen with a 24/7 live feed on Ruutu.fi streaming service.
