Big Brother was a reality TV series

Reality television

Reality television is a genre of television programming that presents purportedly unscripted dramatic or humorous situations, documents actual events, and usually features ordinary people instead of professional actors, sometimes in a contest or other situation where a prize is awarded...

 shown in the Czech Republic

Czech Republic

The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

, TV Nova. It is also known as Velký Bratr. The Czech version is based on the popular Big Brother international television series

Big Brother (TV series)

Big Brother is a television show in which a group of people live together in a large house, isolated from the outside world but continuously watched by television cameras. Each series lasts for around three months, and there are usually fewer than 15 participants. The housemates try to win a cash...

 produced by Endemol

Endemol

Endemol is an international television production and distribution company based in the Netherlands, with subsidiaries and joint ventures in 23 countries, including the United Kingdom, the United States, France, Mexico, Spain, Italy, Germany, Brazil, Chile, Argentina, Dominican Republic, Poland,...

 where a number of contestants, usually 14 or more, live in an isolated house for anywhere up to several months. Housemates are at all times under the control of Big Brother, a rule enforcing authority figure who monitors behaviour of the housemates, set tasks and punishments and provides the only link to the outside world for the contestants.
Since there was an almost identical copy to Big Brother aired on Czech television TV Prima

TV Prima

TV Prima is a Czech private television station. Its channel is broadcast from Prague. Its current owner is FTV Prima, spol. s r. o., general manager Marek Singer....

 names VyVolení (Való Világ

Való Világ

The ValóVilág is Hungary's most popular reality show aired by RTL Klub.- Casting and choice of the viewing public :The contestants who had been succeed in the casting could participate in a Beszavazóshow. During a beszavazóshow, the viewing public had to choose from the three wannabe housemates:...

) at the same time with a huge popularity, the show never lived up to the expectations and was delayed after one season.
In the beginning there were 13 original housemates. Later, 4 new housemates entered the house.
The show caused controversity when contestant Filip Trojovský was recognized as gay porn star Tommy Hansen

Tommy Hansen

Filip Trojovský is a Czech actor, model and television personality. He is also known by his stage name Tommy Hansen in gay pornography.-Biography:He made his first appearance in 2001 in a Bel Ami video....

. Being a model also, Trjovský starred in a TV spot for a German milk-company before, a German tabloid revealed the "scandal" and the spot was immediately taken off the air. When his past became known, Trojovský became the first person to be evicted by a landside which proved to result in a huge drop of ratings. As a result he was voted back in the house and the voting was changed from evict to save contestants. In the end, Trojovský, who started a heterosexual relationship in the house, made it to the 2nd runner-up position.

Nominations table

	Week 1	Week 2	Week 3	Week 4	Week 5	Week 6	Week 7	Week 8	Week 9			Week 13		Week 14
David Š	Klára	Filip Markéta	Jaroslav Eva	Petr S Jaroslav	Šárka Lena	Oksana David H	Oksana David H	Oksana Eva	Eva Karel	Markéta Eva	Eva Sylva	Eva Milan	Eva	Renata	Lena Filip	Winner (Day 113)
Eva	Nominated	Milan Lena	Milan Lena	Milan Sylva	Lena Terezie	Filip Terezie	Oksana David H	Sylva Karel	Sylva Karel	Markéta Sylva	Sylva Milan	Milan Filip	Milan	Renata	Lena Filip
Filip	Klára	Markéta Karel	Evicted (Day 15)		Exempt	Eva Oksana	Markéta Karel	Oksana Karel	Karel Sylva	Eva Sylva	Sylva Eva	Eva Milan	David Š	Nominated	Eva David Š	(Day 113)
Lena	Klára	Eva Jaroslav	Šárka Petr B	Petr S Šárka	Šárka Markéta	Oksana David H	Oksana David H	Oksana Karel	Karel Markéta	Markéta David Š	Eva Sylva	Eva Milan	Eva	Renata	Eva David Š	Evicted (Day 109)
Renata	Not in House											Exempt	Milan	Nominated	Evicted (Day 99)
Milan	Klára	Petr B Terezie	Petr B Šárka	Terezie Šárka	Šárka Terezie	Oksana Terezie	Oksana David H	Oksana Karel	None	Eva Sylva	Eva Sylva	Eva Filip	Eva	Evicted (Day 92)
Sylva	Klára	Milan Eva	Milan Petr B	Petr S Milan	Eva Lena	Oksana David H	Oksana David H	Oksana Eva	Eva Filip	Eva Filip	Filip Eva	Evicted (Day 78)
Markéta	Klára	Terezie Sylva	Šárka Petr B	Eva Terezie	Terezie Eva	Oksana David H	Oksana David H	Oksana Eva	Eva Sylva	Eva Lena	Evicted (Day 71)
Karel	Klára	Markéta David Š	Markéta David Š	Petr S Milan	Milan Lena	David H Oksana	Oksana Eva	Oksana Eva	Eva Lena	Evicted (Day 64)
Oksana	Not in House		Exempt		Karel Šárka	David Š David H	Milan Markéta	Markéta Filip	Evicted (Day 57)
David H	Not in House				Exempt	Filip Markéta	Oksana Markéta	Evicted (Day 50)
Terezie	Klára	Milan Markéta	Milan Petr B	Milan Šárka	Šárka Eva	Markéta Eva	Evicted (Day 43)
Šárka	Klára	Terezie Lena	Terezie Lena	Terezie Petr S	Milan Lena	Evicted (Day 36)
Petr S	Not in House		Exempt	Sylva Šárka	Evicted (Day 29)
Jaroslav	Klára	Petr B Eva	Petr B Eva	Šárka Petr S	Ejected (Day 29)
Petr B	Klára	Markéta Jaroslav	Terezie Milan	Evicted (Day 22)
Klára	Nominated	Evicted (Day 1)
Ejected	none			Jaroslav	none
Against Public Vote	Eva, Klára	Filip, Markéta, Šárka	Milan, Petr B	Petr S, Šárka	David Š, Lena, Oksana, Šárka, Sylva	David H, Eva, Filip, Markéta, Terezie		Eva, Karel, Oksana	Eva, Karel	Eva, Markéta, Milan, Sylva	Eva, Sylva	Eva, Milan	Eva, Filip, Lena, Milan, Renata	Filip, Renata	, Eva, Filip, Lena	David Š, Eva, Filip
Evicted (% of public votes)	Klára 11 of 11 votes to evict	Filip 80% to evict	Petr B 77% to evict	Petr S 86% to evict	Šárka 9% to save	Terezie 7% to save	34% to save	Oksana 30% to save	Karel 54% to evict	Markéta 11% to save	Sylva 10% to save	None	Milan ?% to evict	Renata 3 of 3 votes	Lena ?% to evict	Filip 24% (out of 3)
																Eva 45% (out of 2)
																David Š 55% (out of 2)

The housemates had to choose to evict either Klára or her sister Eva. They chose to evict Klára.
Šárka was up for eviction as she failed her secret mission which was to keep bedrooms with 3 girls and 3 boys each until Saturday. Filip was up for eviction as punishment for discussing nominations and also attempting to hide conversations from Big Brother.
In week 14 the public nominated and the housemates voted to evict.