Gran Hermano 12+1 was the 13th season of Gran Hermano, the Spanish version of Big Brother. The official name of this season is Gran Hermano 12+1, and the tag line is "Dale la vuelta" (Turn it over). The season started airing on 19 January 2012. Mercedes Milá is still the main host. The main eviction show is known as the "Gala". Beginning on the second week there is also a nominations show known as "Última Hora". "El Debate", a weekly spin-off show hosted by Jordi González, has recently evicted housemates return to the studio to comment on the house news. The grand prize this season is €300,000.

Following this season, a special spin-off series titled Gran Hermano 12+1: La Re-vuelta, which saw most of the 12+1 Housemates return to the house only days following the finale of the regular series. This new series saw the Housemates themselves vote each other off, with the evicted Housemates voting for the winner.

In the 2016 season Gran Hermano VIP 4, Daniel returned to the house.

Housemates The motto of the edition is Turn it over, with that they try "to open a door for the hope", in these times of crisis. In addition, it wanted to turn to the origins, with an alone house and fewer competitors. In this thirteenth edition it returned to modify the logo, that this time was consisting of the sum of all the eyes of the competitors.

Without losing the classic style of Gran Hermano, the edition 12+1 came loaded from innovations. Mercedes Milá announced in the show that, across eBay, everything the one that should want to compete might offer a quantity of money to buy a square in the house and turn into the "competitor + 1" of every week. All the benefits that were obtained would be destined entirely to Red Cross, which would help, across a specific project, the persons more duramente punished by the crisis.

The competitors expelled before Mary Joy, were expelled in a soundproof cabin of Telecinco's set.

Housemates Age Residence Occupation Entered Exited Status Pepe Flores 33 Madrid Flamenco dancer Day 1 Day 131 María Sánchez20CádizWaitressDay 29Day 75Day 50Day 131 Daniel Santos 19 Burgos Architecture student Day 43 Day 131 Alessandro Livi 29 Milan Football player Day 1 Day 131 Sindia Arcos 24 Seville Agrarian worker Day 1Day 124 Day 124Day 127 Hugo Pierna 25 Lleida Dealer Day 1 Day 120 Ariadna Sánchez 28 Madrid Make-up artist Day 1Day 113 Day 103Day 127 Noemí Merino 25 Lanzarote Store coordinator and surfer Day 1Day 117 Day 96Day 127 Cristian Villaescusa27AlicanteBusinessmanDay 36Day 75Day 64Day 89 Marta Sánchez 20 Albacete Nursery educator Day 22Day 110 Day 85Day 127 Sergio Muro 29 Seville Aircraft painter Day 57 Day 82 Juan Molina Sanz 40 Barcelona Priest and teacher Day 1 Day 75 Berta Renedo 28 Valencia Journalist Day 43 Day 68 Michael Rivero 27 Huelva Policeman Day 1 Day 57 Pilar Ochoa "Ochoa" 28 La Rioja Hotel manager Day 1 Day 43 Verónica Crespo 26 Bilbao Waitress Day 8 Day 36 Mary Joy Sumayo 18 Valencia Biology student Day 1 Day 29 David García 37 Valencia Salesman Day 1 Day 23 Arístides Alonso "Aris" 28 Bilbao Acupuncture practitioner Day 15 Day 22 Azucena Talavera 22 Toledo Unemployed businesswoman Day 1 Day 15 Zulema Ibáñez 27 Barcelona Cosmetic surgery consultant Day 1 Day 8

Aless Aless was 29 years old and he was living in Milan. He was a footballer. He entered the House the 1 Day and a few days later started a relationship with Naomi. She traveled to Brazil's Exchange in week 7. There she had sex with Rafael, the winner of BBB. Returning to Spain, she declared that she will confessed everything to Alessandro, but she did not. This generated much controversy abroad. On Day 110 Alessandro became a finalist, although he thought that he was eliminated. He went to the central studio of Telecinco and saw videos of his passage through the House within the soundproof room. That same day, Alessandro chose Marta to accompany him until the end. He was fourth with 13.6%. He won La Re-Vuelta.

Ariadna Ariadna was 28 years old and she was working as a make-up artist. She was the daughter of Fortu, a popular rock band singer. She had whole body full of tattoos and piercings. She came into the House on the Day 1. At first seemed that she liked Hugo, but at the end she fell in love with Michael. Whenever Ariadna made friendship with someone, her friend was eliminated. The program called "the curse of Ariadna" to this fact. The victims of the curse were Zulema, David, Vero, Ochoa, Michael, Juan, Berta, Cristian, and Noemí. In the end, she became very good friends with Dani. She was a contender to win and the leader of the Anti-Pepe's team. After facing the public vote seven times, Ariadna was finally eliminated on the Day 103 with 47.4%, when she entered to the studio, she got a standing ovation from the audience. On the Day 113 she returned to the House as a companion of Dani, opting to win a share of the prize if he was the winner. She lived in the secret room with him and with Alessandro & Marta's team. She took part in La Re-Vuelta.

Aris Aris was 28 years old and he was from Bilbao. He was working as an acupuncture practitioner. Aristides turned into the third competitor +1 of the edition on Day 15, after gaining the bid (69.100 €) for a square that the program brought into play in the first show. Inside the contest, he had problems with Pepe. He liked to take care of Torso, the dog of the house. He was eliminated the Day 22 by 58% against Pepe. He only was one week into the house. He did not take part in La Re-Vuelta. After the contest, he had problems with the law as several robberies.

Azucena Azucena was 22 years old and she was from Toledo. She was unemployed businesswoman. She had a malformation in her hands. She was eliminated the Day 15 on her first nomination with the 71,2 % of the votes against Arianda. She had good friendship with Sindia, but the friendship broke after Sindia saw things that Azucena said out of the house. She entered on La Re-Vuelta.

Berta Berta was a journalist and she was 28 years old. She was from Valencia and she entered the House on Day 43. She turned into the octave competitor +1 of the edition. For a week she lived with Dani in the Pavilion, in a caravan canopy, hiding from the rest of contestants. Only Juan and Sindia knew their existence. She made a pact with Dani to not nominate each other, but she broke it in their second nominations. She was a good friend of Ari. Berta was eliminated the Day 68 with 50.9%. She participated in La Re-Vuelta.

Cristian Cristian entered the House on Day 36 dressed like a clown. He defined himself as a sexist, racist, and xenophobic guy. He turned into the sixth competitor +1 of the edition. Cristian enters the house with a secret mission related to the weekly nominations. Inside the House, he had problems with Pepe and Dani. He was eliminated on the Day 64 with an unknown %. Cristian returned to the House on the Day 75 along with Maria, and the Day 82 he was admitted again with 4 votes in favor to re-admitted both (Maria and Cristian). He returned to be removed on the Day 89 with 49.4% of the votes. He had many discussions with the presenter of the show, Mercedes Milà, both in Big Brother 12+1 and in La Re-Vuelta.

Dani Dani was 19 years old when he entered the House. He was from Burgos and studied architecture. He entered the House on Day 43. He turned into the seventh competitor +1 of the edition. For a week he lived with Berta in the Pavilion, in a caravan canopy, hiding from the rest of contestants. They made a pact to not nominate each other, but she broke it in their second nominations. Dani had many conflicts with Berta, Pepe, Cristian and Hugo, but he stressed above all for being a very funny person. On Day 113 Dani became a finalist, although he thought that he was eliminated. He went to the central studio of Telecinco and saw videos of his passage through the House within the soundproof room. That same day, Dani chose his friend Ariadna to accompany him until the end. He was third with 15,2%. He took part in La Re-Vuelta.

David David was 37 years old and he was from Valencia. He entered the house the Day 1 and had a good friendship with Juan. He constantly seemed to be low and he was remembering his ex-wife and his children. He left voluntarily on Day 23. He did not have the option to return to enter the house when the return of the expelled ones took place, and neither could he elected +1 of the winner. He took part in La Re-Vuelta.

Hugo Hugo was 25 years old and he was from Lleida. He came into the House on the Day 1. He had a relationship outside the House that broke when María entered into the competition and fell in love with him. He corresponded and began a romantic relationship with her. Within the contest Hugo never been noted for having problems with anyone except with Dani, Hugo was eliminated on the 120 Day in the false final organized by the programme, believing that he was the third runner-up of Gran Hermano 12+1. He took part in La Re-Vuelta.

Juan Juan was 40 years old and he was a priest and teacher in Barcelona. He was a biker. He came into the House the Day 1 and he was eliminated the Day 75 with 56% of the votes. Inside the House, he had many problems with Zulema and later with Pepe, who nicknamed him "horny priest". He did not want to re-enter the House in La Re-Vuelta because their religious order did not allow it if he wanted to continue being priest.

María Maria was from Cadiz and was 20 years old when he entered the House on Day 29. María entered the house with a secret mission related to the weekly challenge. Inside the House she fell in love with Hugo and began a relationship with him. She was eliminated on Day 50 with 60.2% of the votes. María returned to the House on the Day 75 along with Cristian, and the Day 82 she was admitted again with 4 votes in favor to re-admitted both (Maria and Cristian). On Day 125 Maria became finalist and chose Sindia as her finalist +1 alleging that she believed that they deserve to be together in the true final after having been deceived by the program. Into the program, she had a lot of arguments with Noemí. She was Runner-Up with 27,1%. She took part in La Re-Vuelta.

Marta Marta was the first contestant of Albacete. She was 20 years old. She entered the House on Day 22. The program surprised Marta live at her house and given the chance to join the house immediately. She turned into the fourth competitor +1 of the edition. Marta was very superstitious and always carried in her hand a wooden clip, making use of the Spanish saying "knock on wood (to keep away bad luck)". Inside the House she was very good friend with Sindia and Pepe, and with Dani too. She had troubles with Veronica and Noemi, Juan and Hugo. She was nominated 8 times until she was eliminated on the 85 Day with 57.1% of the votes. On the 110 Day she returned to the House as a companion of Alessandro, opting to win a share of the prize if he was the winner. She lived in the secret room with him.

Mary Joy Mary Joy was 18 years old and she was from Valencia. She was Philippine origin. She was studying Biology. She entered the house the Day 1 and she did friendship with Pepe, Sindia and later with Marta. She was considered by many (specially for Verónica) as an infantile and silly girl. She was fooling about with Alessandro. After facing the public vote two times, Mary Joy was finally eliminated on the Day 29 by 43% of the votes. She took part in La Re-Vuelta.

Michael Michael was a policeman, he was 27 years old and he was from Huelva. He entered the house the Day 1 and he was eliminated the Day 57 by 52,2 % of the votes. He never had problems with anybody. Ariadna was inspired love of him, but he declared that he did not feel anything for her until he was eliminated and saw the videos where she was speaking about him. Till then he liked Mary Joy. He formed a part of La Re-Vuelta.

Noemí