Gran Hermano is a reality television series broadcast in Spain on Telecinco and La Siete produced by Endemol. It is part of the Big Brother franchise first developed in the Netherlands. As of February 2012, 19 editions of the show have aired.

Five couples at a critical moment in their relationship search for the answer to the big question: Are they made for each other? The participants will live apart but they will not be alone. They will live with ten single men and ten single women who want to find love. When this experience is over, they will have to decide how they want to return home: with their partner, alone or with their new love.