Pinoy Big Brother, more popularly known by its abbreviated title PBB, is the Philippine version of the Big Brother reality game show franchise. The word Pinoy in the title is a colloquial term for the Filipino people. The show first aired on August 21, 2005 on ABS-CBN, Studio 23 (now S+A), and its international channel, TFC in various countries worldwide. The uncut 24/7 version of the series can also be seen on the internet through paid-online streaming video subscription via TFCNow, and through cable network SkyCable. The original hosts of the show were Willie Revillame, Toni Gonzaga, and Mariel Rodriguez. Gonzaga is the only host to be in the show since the beginning. Currently, she hosts the show with Bianca Gonzalez and Robi Domingo.
Other essential elements of the Big Brother franchise are present, such as weekly and daily challenges, the confession room, and the voice known only as "Big Brother," sometimes referred to as "Kuya" (Tagalog for an elder male sibling). Pinoy Big Brother uses their tagline "Teleserye ng Totoong Buhay" or the "Real Life Soap Opera".