Pinoy Big Brother, more popularly known by its abbreviated title PBB, is a Philippine reality show based on the Dutch reality television franchise Big Brother. Originally hosted by Willie Revillame, Toni Gonzaga and Mariel Rodriguez, it premiered on August 21, 2005 on ABS-CBN, Studio 23, and its international channel, TFC. The show currently has 18 seasons— 11 regular/mixed, 3 celebrity, and 4 teen seasons—and is currently hosted by Bianca Gonzalez, Robi Domingo, Kim Chiu, Melai Cantiveros, Enchong Dee, and Alexa Ilacad alongside Gabbi Garcia and Mavy Legaspi from GMA Network.
Common 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). The show uses their tagline "Teleserye ng Totoong Buhay (Real Life Soap Opera)."
